BIO 182 EXAM 1 DR. PLOWES 02-03-24
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
Which of the following is not a property of life?
a) Populations of organisms are unable to change over time.
b) Living things exhibit complex but ordered organization.
c) Organisms take in energy and use it to perform all of life's activities.
d) Organisms reproduce their own kind.
e) Organisms respond to environmental stimuli. - ANSWER a
The best definition of a true-breeding plant is one that ______.
a) cannot be cross-fertilized
b) produces offspring identical to the parent
c) produces sterile offspring when cross-fertilized
d) self-fertilizes to produce hybrid offspring
e) becomes sterile after three generations - ANSWER b
Which of the following are the proper components of the scientific method?
a) experiment, conclusion, application
b) question, observation, experiment, analysis, prediction
c) observation, question, hypothesis, prediction, experiment, results, conclusion
d) prediction, hypothesis, experiment, conclusion
e) observation, question, opinion, conclusion, hypothesis - ANSWER c
Alleles are described as ______. - ANSWER alternate versions of a gene
, A couple has two female children. What is the probability that their next child will be male? - ANSWER
50%
A true-breeding plant that produces yellow seeds is crossed with a true-breeding plant that produces
green seeds. The F1 plants have yellow seeds. What is the expected phenotypic ratio of seed color of the
offspring of an F1 × F1 cross? - ANSWER 3:1 (AA) X (aa)
Red-green color blindness is inherited as a sex-linked recessive trait. The gene is found on the X
chromosome. How can a man with normal color vision father a daughter who is red-green color-blind?
a) The woman with whom he mates is red-green color-blind.
b) The man is heterozygous for red-green color blindness.
c) Though he has normal color vision, the man is actually homozygous for red-green color blindness.
d) He can't be her father (unless there was a mutation in the sperm's DNA).
e) The man's mother carries an allele for red-green color blindness, and the expression of the trait
skipped a generation. - ANSWER d (Look at colorblind allele image)
Which of these is most closely associated with Darwin? - ANSWER Natural Selection
In humans, the inheritance of ______ is best explained as being polygenic.
a) cystic fibrosis
b) height
c) Huntington's disease
d) blood type
e) sickle-cell disease - ANSWER b
A mating between a true-breeding purple-flowered pea plant and a true-breeding white-flowered pea
plant would produce a(n) ______. - ANSWER Hybrid
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
Which of the following is not a property of life?
a) Populations of organisms are unable to change over time.
b) Living things exhibit complex but ordered organization.
c) Organisms take in energy and use it to perform all of life's activities.
d) Organisms reproduce their own kind.
e) Organisms respond to environmental stimuli. - ANSWER a
The best definition of a true-breeding plant is one that ______.
a) cannot be cross-fertilized
b) produces offspring identical to the parent
c) produces sterile offspring when cross-fertilized
d) self-fertilizes to produce hybrid offspring
e) becomes sterile after three generations - ANSWER b
Which of the following are the proper components of the scientific method?
a) experiment, conclusion, application
b) question, observation, experiment, analysis, prediction
c) observation, question, hypothesis, prediction, experiment, results, conclusion
d) prediction, hypothesis, experiment, conclusion
e) observation, question, opinion, conclusion, hypothesis - ANSWER c
Alleles are described as ______. - ANSWER alternate versions of a gene
, A couple has two female children. What is the probability that their next child will be male? - ANSWER
50%
A true-breeding plant that produces yellow seeds is crossed with a true-breeding plant that produces
green seeds. The F1 plants have yellow seeds. What is the expected phenotypic ratio of seed color of the
offspring of an F1 × F1 cross? - ANSWER 3:1 (AA) X (aa)
Red-green color blindness is inherited as a sex-linked recessive trait. The gene is found on the X
chromosome. How can a man with normal color vision father a daughter who is red-green color-blind?
a) The woman with whom he mates is red-green color-blind.
b) The man is heterozygous for red-green color blindness.
c) Though he has normal color vision, the man is actually homozygous for red-green color blindness.
d) He can't be her father (unless there was a mutation in the sperm's DNA).
e) The man's mother carries an allele for red-green color blindness, and the expression of the trait
skipped a generation. - ANSWER d (Look at colorblind allele image)
Which of these is most closely associated with Darwin? - ANSWER Natural Selection
In humans, the inheritance of ______ is best explained as being polygenic.
a) cystic fibrosis
b) height
c) Huntington's disease
d) blood type
e) sickle-cell disease - ANSWER b
A mating between a true-breeding purple-flowered pea plant and a true-breeding white-flowered pea
plant would produce a(n) ______. - ANSWER Hybrid
