Biology questions and answers

Science Bowl

BIOLOGY

Biology - 41

BIOL-91; Multiple Choice:  Which of the following is NOT a type of intraspecific competition?

a)  territoriality
b)  mutualism
c)  hierarchies
d)  pecking orders

ANSWER:  B -- MUTUALISM

BIOL-91; Multiple Choice:  "Two different species cannot occupy the same nich for long" is a
statement of the:

a)  Hardy-Weinberg Law
b)  Darwin's Theory of Natural Selection
c)  Competitive Exclusion Principle
d)  Einstein's Theory of Relativity

ANSWER:  C -- COMPETITIVE EXCLUSION PRINCIPLE

BIOL-91; Multiple Choice:  Parasitism at its extremes is similar to: 

a)  commensalism and mutualism
b)  predation and mutualism
c)  mutualism and habituation
d)  commensalism and predation

ANSWER:  D -- COMMENSALISM AND PREDATION

BIOL-91; Multiple Choice:  Functions of territoriality are: 

a)  spacing members of a species.
b)  decreasing competition among members of a species. 
c)  increasing social stability of a species.
d)  all of the above

ANSWER:  D -- ALL OF THE ABOVE

BIOL-91; Multiple Choice:  Homozygous refers to:

a)  similar types of chromosomes
b)  having similar functions on an evolutionary basis 
c)  particles in solution that are inseparable
d)  having identical alleles for a given gene

ANSWER:  D -- HAVING IDENTICAL ALLELES FOR A GIVEN GENE 

Science Bowl

BIOLOGY

Biology - 42

BIOL-91; Multiple Choice:  Which of the following is NOT a component of chromosomes?

a)  histones
b)  non-histone proteins
c)  DNA
d)  RNA

ANSWER:  D -- RNA

BIOL-91; Multiple Choice:  Cell membranes are composed of: 

a)  proteins
b)  plasmids
c)  nucleopores
d)  lysosomes

ANSWER:  A -- PROTEINS

BIOL-91; Multiple Choice:  Between the layers of phospholipids in a cell membrane, there is an
area that is:

a)  hydrophobic

(pron: high-dro-fo-bick)

b)  hydrophillic

(pron: high-dro-fill-ick)

c)  hygroscopic

(pron: high-grow-scop-ick)

d)  hygrolipic

(pron: high-grow-lip-ick)

ANSWER:  A -- HYDROPHOBIC

BIOL-91; Multiple Choice:  The random movement of particles in solution towar a uniform
distribution is termed:

a)  osmosis
b)  repulsion
c)  diffusion
d)  facilitated diffusion

ANSWER:  C -- DIFFUSION

Science Bowl

BIOLOGY

Biology - 43

BIOL-91; Multiple Choice:  In osmosis the flow of SOLVENT moves in what direction of
tonicity?

a)  isotonic to hypotonic
b)  hypotonic to hypertonic
c)  hypertonic to isotonic
d)  hypertonic to hypotonic

ANSWER:  B -- HYPOTONIC TO HYPERTONIC

BIOL-91; Multiple Choice:  If a red blood cell is placed in a hypotonic solution, it:

a)  swells
b)  shrinks
c)  crenates
d)  remains the same

ANSWER:  A -- SWELLS

BIOL-91; Multiple Choice:  Substances insoluble in a membrane are carried across the membrane
with the concentration gradient by means of a carrier molecule in a process known as:

a)  osmosis.
b)  diffusion.
c)  active transport.
d)  facilitated diffusion.

ANSWER:  D -- FACILITATED DIFFUSION.

BIOL-91; Short Answer:  The process of moving molecules against an electro-chemical gradient
is:

ANSWER:  ACTIVE TRANSPORT

BIOL-91; Multiple Choice:  Invagination by a cell membrane forming a vesicle around a solid
particle is a:

a)  lysosome
b)  phagocytosis

(pron: fag-o-sigh-toe-sis)

c)  pinocytosis

(pron: pin-o-sigh-toe-sis)

d)  peroxisomes

(pron: pay-rak-se-som)

ANSWER:  B -- PHAGOCYTOSIS

Science Bowl

BIOLOGY

Biology - 44

BIOL-91; Short Answer:  Which organelle is referred to as "the Power House of the cell"?

ANSWER:   MITOCHONDRIA

BIOL-91; Multiple Choice:  The difference between smooth and rough endoplasmi reticulum is
the lack of:

a)  ATP
b)  proteins
c)  ribosomes
d)  peroxisomes

ANSWER:  C -- RIBOSOMES

BIOL-91; Multiple Choice:  Which organelle has been shown to contain DNA? 

a)  Ribosome
b)  Mitochondria
c)  Golgi Apparatus
d)  none of the above

ANSWER:  B -- MITOCHONDRIA

BIOL-91; Multiple Choice:  The chloroplast carries out:

a)  photosynthesis
b)  reproduction
c)  secretion
d)  packaging

ANSWER:  A -- PHOTOSYNTHESIS

BIOL-91; Short Answer:  What phylum do insects belong to?

ANSWER:  ARTHROPODA

(pron: are-throw-po-da)

BIOL-91; Short Answer:  If two brown haired parents, with recessive genes for blonde hair, have
children, what are the chances of them having a blonde baby?

ANSWER:  25%

Science Bowl

BIOLOGY

Biology - 45

BIOL-91; Short Answer:  What is the formal name for the heaviest muscle in th human body, and
helps extend the thigh?

ANSWER:  GLUTEUS MAXIMUS

BIOL-91; Short Answer:  Protozoans living within the digestive tract of a termite and digesting
the cellulose the termite takes in is an example what?

ANSWER:  MUTUALISM

BIOL-91; Short Answer:  The development of an egg without fertilization by a sperm is referred
to as:

ANSWER:  PARTHENOGENESIS

BIOL-91; Multiple Choice:  Which of the following blood types is referred to as the universal
RECIPIENT?

a)  A
b)  AB
c)  O
d)  B

ANSWER:  B -- AB

BIOL-91; Short Answer:  What term beginning with the letter O is used to describe
cancer-causing genes originally derived from animal or plant cells?

ANSWER:  ONCOGENES

BIOL-91; Multiple Choice:  Exchange of oxygen, carbon dioxide, nutrients and waste products
from mother to fetus occurs through diffusion across the: 

a)  chorionic villi

(pron: core-e-on-ick villi)

b)  endometrium
c)  corpus luteum
d)  colostrum

ANSWER:  A -- CHORIONIC VILLI

Science Bowl

BIOLOGY

Biology - 46

BIOL-91; Multiple Choice:  Which of the following is NOT hormone associated with male
reproductive physiology:

a)  testosterone
b)  prolactin
c)  interstitial hormone
d)  follicle-stimulating hormone

ANSWER:  B -- PROLACTIN

BIOL-91; Short Answer:  A codon consists of three nucleotides.  There are fou possible
nucleotides, each of which has an equal probability of being in any one of the three spots.  How
many possible codons exist? 

ANSWER:   64

BIOL-91; Multiple Choice:  Genetic elements that can replicate independently of the cell's
chromosomes are called:

a)  clones
b)  episomes
c)  repressors
d)  promotors

ANSWER:  B -- EPISOMES

BIOL-91; Multiple Choice:  Humans can produce energy by:

a)  anaerobic respiration
b)  aerobic respiration
c)  neither anaerobic nor aerobic respiration
d)  both anaerobic and aerobic respiration

ANSWER:  D -- BOTH ANAEROBIC AND AEROBIC RESPIRATION

BIOL-91; Short Answer:  What is the final product of glycolysis? 

ANSWER:   PYRUVATE   or   PYRUVIC ACID

BIOL-91; Short Answer:  Gluconeogenesis (pron: glue-ko-nee-o-gen-e-sis) occur in which
organ?

ANSWER:  LIVER

Science Bowl

BIOLOGY

Biology - 47

BIOL-91; Short Answer:  Name a pyrimidine (pron: pie-rim-eh-den) base. 

ANSWER:  THYMINE or CYTOSINE or URACIL

BIOL-91; Short Answer:  Adenine binds to which base in an RNA molecule? 

ANSWER:   URACIL

BIOL-91; Short Answer:  What element carries the oxygen in hemoglobin? 

ANSWER:  IRON

BIOL-91; Short Answer:  What is the last phase of mitosis? 

ANSWER:  TELOPHASE

BIOL-91; Multiple Choice:  Approximately how many different types of cells make up the human
body?

a)  200
b)  100
c)  80
d)  50

ANSWER:  A -- 200

BIOL-91; Short Answer:  In a seed, what structure contains a food supply for plant growth?

ANSWER:  COTYLEDON

(pron: cot-el-ed-on)

BIOL-91; Short Answer:  All bacteria belong to which kingdom? 

ANSWER:   MONERA

BIOL-91; Multiple Choice:  An aggregate fruit is best represented by: 

a)  tomatoes
b)  raspberries
c)  plums
d)  pears

ANSWER:  B -- RASPBERRIES

Science Bowl

BIOLOGY

Biology - 48

BIOL-91; Multiple Choice:  Spiders are members of what class? 

a)  Diplopoda (pron:  dip-low-poe-da)
b)  Insecta
c)  Chilopoda (pron:  Ki-low-poe-da)
d)  Arachnida (pron: a-rak-ne-da)

ANSWER:  D -- ARACHNIDA

BIOL-91; Short Answer:  What is the agricultural importance of legume crops? 

ANSWER:  Able to fix nitrogen  or  with bacteria can fix nitrogen 

BIOL-91; Multiple Choice:  What vascular tissue brings water and minerals to the leaves?

a)  phloem

(pron: flow-em)

b)  xylem
c)  cambium
d)  rhizomes

(pron: rye-zom)

ANSWER:  B -- XYLEM

BIOL-91; Short Answer:  In what organ in the human body would you find the glomerulus,
Bowman's capsule, the loop of Henle and the collecting duct? 

ANSWER:   KIDNEY

BIOL-91; Short Answer:  The maintenance of a relatively constant internal environment despite
external fluctuations is known as what process? 

ANSWER:  HOMEOSTASIS

BIOL-91; Short Answer:  Which digestive organ is a storage sac for the greenish fluid called bile?

ANSWER:  GALL BLADDER

BIOL-91; Short Answer:  Which vitamin is involved in visual pigment formation 

ANSWER:  VITAMIN A  or  BETA CAROTENE  or  CAROTENE

Science Bowl

BIOLOGY

Biology - 49

BIOL-91; Short Answer:  Name the four basic taste sensations detected by humans.

ANSWER:  SWEET, SALTY, BITTER AND SOUR

BIOL-91; Multiple Choice:  An animal which consumes plant and animal matter i called:

a)  a carnivore
b)  a saprophytic

(pron: sap-roe-fit-ick)

c)  an omnivore
d)  an herbivore

ANSWER:  C -- AN OMNIVORE

BIOL-91; Short Answer:  A term meaning variable body temperature that describes animals which
are often referred to as "cold-blooded" is: 

ANSWER:  POIKILOTHERMIC

(pron: po-key-low-ther-mick) 

BIOL-91; Short Answer:  Animals whose activity peaks at night are called NOCTURNAL.  What
term is used to describe animals active during the day? 

ANSWER:  DIURNAL

BIOL-91; Short Answer:  What are the two types of photoreceptors in the vertebrate eye called?

ANSWER:  RODS and CONES

BIOL-91; Short Answer:  A phenomenon in which repeated exposure to an environmental
stimulus lessens an animal's responsiveness to it is known as:

ANSWER:   HABITUATION

BIOL-91; Short Answer:  Protein synthesis occurs in cells on the: 

ANSWER:  ENDOPLASMIC RETICULUM

BIOL-91; Short Answer:  In what organ in the human body is insulin produced? 

ANSWER:  PANCREAS

Science Bowl

BIOLOGY

Biology - 50

BIOL-91; Multiple Choice:  The name of the plane that bisects the anatomical figure from top to
bottom and front to back:

a)  sagittal
b)  medial
c)  coronal
d)  pariental

ANSWER:  A -- SAGITTAL

BIOL-91; Multiple Choice:  Sharks are:

a)  amphibians
b)  bony fish
c)  cartilaginous fish

(pron: kart-el-aj-eh-nes)

d)  reptiles

ANSWER:  C -- CARTILAGINOUS FISH

BIOL-91; Multiple Choice:  Eggs leave the female bird's body through the: 

a)  oviduct
b)  cloaca
c)  syrinx

(pron: sir-inks)

d)  urinary tract

ANSWER:  B -- CLOACA

BIOL-91; Multiple Choice:  Competition for resources between two different species is called:

a)  predation
b)  interspecific competition
c)  intraspecific competition
d)  competitive exclusion

ANSWER:  B -- INTERSPECIFIC COMPETITION

BIOL-91; Short Answer:  What is the scientific name for the voice box in a human?

ANSWER:  LARYNX

BIOL-91; Short Answer:  Saliva is secreted into the mouth of humans by three paired glands. 
Name any two of these three paired glands. 

ANSWER:   PAROTID, SUBMAXILLARY, AND SUBLINGUAL

Science Bowl

BIOLOGY

Biology - 51

BIOL-91; Multiple Choice:  What kind of acid is found in ants? 

a)  acetic
b)  formic
c)  nitric
d)  glutamic

ANSWER:  B -- FORMIC

BIOL-91; Short Answer:  Name the type of cell division in which the two resulting cells carry
only half the original number of chromosomes. 

ANSWER:  MEIOSIS   (pron: my-o-sis)

BIOL-91; Short Answer:  In biological classification, Homo Sapiens (pron: ho-moe  say-pee-ens)
belongs in which order?

ANSWER:  PRIMATE  or  PRIMATA

BIOL-91; Short Answer:  The name Joseph Merrick, subject of "The Elephant Man", is
commonly associated with one disorder, though it now seems likely he actually suffered from a
different disorder.  Name either one of the disorders.

ANSWER:  NEUROFIBROMATOSIS  or  PROTEUS SYNDROME

BIOL-91; Short Answer:  Name the genus of which the fossil called "Lucy" is a member.

ANSWER:  AUSTRALOPITHECUS

BIOL-91; Short Answer:  Down's Syndrome most often results from the presence of a third copy
of which chromosome?

ANSWER:  CHROMOSOME 21

BIOL-91; Short Answer:  What chemical do mammals use for export of excess nitrogen?

ANSWER:  UREA

BIOL-91; Short Answer:  What chemical do birds use for export of excess nitrogen?

ANSWER:  URIC ACID

Science Bowl

BIOLOGY

Biology - 52

BIOL-91; Short Answer:  To which biological phylum do the flatworms belong? 

ANSWER:  PLATYHELMINTHES

BIOL-92; Multiple Choice:  Which of the following is an example of striated tissue?

a)  muscle
b)  nervous
c)  epithelial

(pron: ep-a-THEE-lee-al)

d)  connective

ANSWER:  A -- MUSCLE

BIOL-92; Multiple Choice:  Squamous cell tissue is an example of which type of tissue?

a)  muscle
b)  nervous
c)  epithelial

(pron: ep-a-THEE-lee-al)

d)  connective

ANSWER:  C -- EPITHELIAL

BIOL-92; Multiple Choice:  What type of tissue is bone tissue? 

a)  muscle
b)  nervous
c)  epithelial

(pron: ep-a-THEE-lee-al)

d)  connective

ANSWER:  D -- CONNECTIVE

BIOL-92; Multiple Choice:  Chemical regulation of the body involves which system:

a) lymphatic
b) respiratory
c) circulatory
d) nervous
e) endocrine

ANSWER:  E -- ENDOCRINE

Science Bowl

BIOLOGY

Biology - 53

BIOL-92; Multiple Choice:  Which of the following human digestive enzymes is incorrectly
matched to its substrate?

a) pepsin - protein
b) trypsin - starch

(pron: TRIP-sin)

c) pancreatic amylase - starch (pron: AM-i-lase)
d) lipase - fat
e) maltase - maltose.

ANSWER:  B -- TRYPSIN - STARCH

BIOL-92; Multiple Choice:  Which of the following statements does NOT apply to arteries when
comparing them to veins:

a) have thick walls
b) carry blood away from heart
c) highly elastic walls
d) have valves.

ANSWER:  D -- HAVE VALVES

BIOL-92; Multiple Choice:  In general, valves in the circulatory system: 

a) permit blood to circulate rapidly
b) prevent blood from moving too rapidly
c) prevent blood from flowing in the wrong direction
d) stop the circulation whenever necessary

ANSWER:  C -- PREVENT BLOOD FROM FLOWING IN THE WRONG

DIRECTION 

BIOL-92; Multiple Choice:  At the end of the ventricular contraction, the maximum arterial
pressure is attained, and blood flow is most rapid.  This is correctly termed the:

a) arterial maximum
b) gluteus maximum
c) diastolic pressure
d) systolic pressure

ANSWER:  D -- SYSTOLIC PRESSURE

Science Bowl

BIOLOGY

Biology - 54

BIOL-92; Multiple Choice:  What is the name of the blood vessels to the legs? 

a) mesenteric (pron: mez-en-TARE-ik)
b) coronary
c) renal
d) iliac

(pron: IL-ee-ak)

e) hepatic

ANSWER:  D -- ILIAC

BIOL-92; Multiple Choice:  A chronic disease of the liver in which fat deposits and scar tissue
replace normal cells is:

a) cirrhosis
b) hepatitis
c) constipation
d) vitamin deficiency

ANSWER:  A -- CIRRHOSIS

BIOL-92; Multiple Choice:  Which of these is specifically responsible for antibody-mediated
immunity?

a) T cells
b) B cells
c) platelets
d) All of the above

ANSWER:  B --   B  CELLS

BIOL-92; Multiple Choice:  The AIDS viruses specifically attack which kind of cell?

a) B cells
b) helper T cells
c) killer T cells
d) macrophages

ANSWER:  B -- HELPER T CELLS

Science Bowl

BIOLOGY

Biology - 55

BIOL-92; Multiple Choice:  Most of the carbon dioxide picked up by the blood in the tissues:

a) dissolves in the plasma
b) unites with hemoglobin
c) forms microscopic bubbles
d) diffuses into the alveoli

ANSWER:  A -- DISSOLVES IN THE PLASMA

BIOL-92; Multiple Choice:  The sodium/potassium pump is primarily responsible for the:

a)  resting potential
b)  action potential
c)  excretion of salts
d)  contraction of muscle fibers

ANSWER:  A -- RESTING POTENTIAL

BIOL-92; Multiple Choice:  Excess secretion from this gland can cause a person to be thin,
hyperactive, always hungry, & irritable.

a) adrenal cortex
b) thyroid
c) anterior pituitary
d) adrenal medulla

ANSWER:  B -- THYROID

BIOL-92; Multiple Choice:  Hormones which function in sending chemical signal between two or
more individuals are known as:

a) leucomones
b) pheromones

(pron: fair-oh-moans)

c) comones

ANSWER:   B -- PHEROMONES

BIOL-92; Multiple Choice:  Which term would be used to describe an animal which has adapted
to a tree-dwelling mode of life?

a) deciduous

(pron: de-SID-you-us)

b) dendritic
c) arboreal

(pron: ar-BOR-e-al)

d) sessile

(pron: SESS-ile)

ANSWER:   C -- ARBOREAL

Science Bowl

BIOLOGY

Biology - 56

BIOL-92; Multiple Choice: Which term is used to describe an animal which limits it's activity to
periods of dim light at dawn and dusk? 

a) diurnal

(pron: die-ER-nal)

b) crepuscular

(pron: kri-PUSS-kyule-ar)

c) vesperal

(pron: VESS-per-al)

d) none of the above

ANSWER:   B -- CREPUSCULAR

BIOL-92; Multiple Choice:  Exoskeletons DO NOT provide:

a)  sites for muscle attachment
b)  support for the organism
c)  unlimited growth potential
d)  protection of the organism

ANSWER:  C -- UNLIMITED GROWTH POTENTIAL

BIOL-92; Multiple Choice:  Which of the following describes the type of fruit characterized as a
simple, dry, one-seeded indehiscent (pron: in-deh-HISS-ent) fruit with seed attached to one ovary
wall at only one point.  Is it:

a)  drupe
b)  achene

(pron: AY-keen)

c)  glume

(pron: gloom)

d)  none of the above

ANSWER:   B -- ACHENE

BIOL-92; Short Answer:  What scientific name is given to the central organ of the flower,
typically consisting of a style, stigma, and ovary? 

ANSWER:  PISTIL

BIOL-92; Short Answer:  In plants, the external group of tissues, from the cambium outward, of
a woody stem or root is known as what? 

ANSWER:  BARK

BIOL-92; Short Answer:  What is the carbohydrate which forms the wall of plan cells?

ANSWER:  CELLULOSE

Science Bowl

BIOLOGY

Biology - 57

BIOL-92; Multiple Choice:  In a plant, the layer of persistently meristematic tissue, giving rise to
secondary tissues, resulting in growth in diameter is which of the following?

a) bark
b) cambium
c) capsule

ANSWER:   B -- CAMBIUM

BIOL-92; Multiple Choice:  In studies of trees, one finds just one leaf bud and one leaf at each
node on a walnut twig.  This arrangement of leaf bud and leaf is known as:

a) alternate
b) opposite
c) whorled
d) none of the above

ANSWER:   A -- ALTERNATE

BIOL-92; Short Answer:  Many plants have two leaves directly across from each other at each
node, and a bud in the axil of each leaf.  Name the term use in plant studies to describe this leaf
arrangement.

ANSWER:  OPPOSITE

BIOL-92; Multiple Choice:  In studies of trees, when three or more leaves and buds occur at each
node, leaf arrangement and bud arrangement are said to be:

a) whorled
b) opposite
c) alternate
d) varying

ANSWER:   A -- WHORLED

Science Bowl

BIOLOGY

Biology - 58

BIOL-92; Multiple Choice:  Liverworts and mosses are characterized by their lack of vascular
conducting tissue.  These two groups of plants, liverwort and mosses, are known by which of the
following terms:

a)  thallophytes

(pron: THAL-o-fights)

b)  gymnosperms

(pron: JIM-na-sperms)

c)  bryophytes

(pron: BRIE-o-fights)

d)  none of the above

ANSWER:   C -- BRYOPHYTES

BIOL-92; Multiple Choice:  In studies of plants, which of the following are thallophytes?

a) bacteria
b) fungi
c) algae
d) all of the above

ANSWER:   D -- ALL OF THE ABOVE

BIOL-92; Multiple Choice:  The group containing the most primitive living vascular plants has
only two living genera.  This group is named: 

a) arthropoda
b) psilophyta
c) bryophyta

ANSWER:   B -- PSILOPHYTA

BIOL-92; Multiple Choice:  Thickness and toughness of plant walls are increased by deposition
within the original cellulose wall, of a substance known as lignin.  The process of deposition is
called:

a) Sclerenchymacia
b) Lignification
c) Scleridia

ANSWER:   B -- LIGNIFICATION

Science Bowl

BIOLOGY

Biology - 59

BIOL-92; Multiple Choice:  Which of the following are stems of plants which are leaf like in
form, are green, and perform the functions of leaves.  In addition, they may bear fruit, flowers,
and temporary leaves? 

a) Tubers
b) rhizomes
c) cladophylls
d) none of the above

ANSWER:   C -- CLADOPHYLLS

BIOL-92; Multiple Choice:  Which of the following scientific terms is used to describe the loss of
water vapor by plants.  Is it:

a)  digestion
b)  respiration
c)  adsorption
d)  transpiration

ANSWER:   D -- TRANSPIRATION

BIOL-92; Multiple Choice:  Because they are resistant to desiccation (pron: des-ih-KA-shun),
desert plants are known as what?

a) dehydrates
b) hydrophobocytes
c) xerophytes
d) none of the above

ANSWER:   C -- XEROPHYTES

BIOL-92; Multiple Choice:  A plant bending toward sunlight is an example of which of the
following?

a) release of energy
b) metabolism
c) phototaxis
d) reproduction

ANSWER:   C -- PHOTOTAXIS

Science Bowl

BIOLOGY

Biology - 60

BIOL-92; Multiple Choice:  Which of the following are the most common bryophytes?

a) ferns
b) cone-bearing plants
c) mosses and liverworts
d) flowering plants

ANSWER:   C -- MOSSES AND LIVERWORTS

BIOL-92; Multiple Choice:  The tendency of a plant to grow toward light is called:

a)  photosynthesis
b)  photoinduction
c)  phototropism

(pron: fo-tot-row-piz-em)

d)  photolysis

(pron: fo-tol-eh-sis)

ANSWER:  C -- PHOTOTROPISM

BIOL-92; Multiple Choice:  Which of the following laws best describes the statement:
The members of an homologous (pron: ho-MOL-eh-gus) pair of genes are separated during
meiosis (pron: my-O-sis) of reproductive cells so that each gamete (pron: GAM-eet) contains one
of the alleles (pron: a-leels). Is it:

a) law of segregation
b) law of independent assortment
c) law of filial (pron: FILL-ee-al) generation
d) law of sorting

ANSWER:   A -- LAW OF SEGREGATION

BIOL-92; Multiple Choice:  Which of the following refers to a cross in which traits are considered
simultaneously?  Is it:

a) dihybrid cross
b) filial cross
c) punnett cross
d) none of the above

ANSWER:   A -- DIHYBRID CROSS