BIO A 355 Exam Questions With Complete Solutions
A person with the genotype AA is said to be __________ at the
given locus. Correct Answers Homozygous
According to Eaton, how did early agriculturalists compare to
their hunter gatherer ancestors? Correct Answers They were
shorter
According to Kirkwood, the main driver for the evolution of
longevity is
1. Extrinsic mortality risk
2. Intrinsic mortality risk
3. Antagonistic Pleiotropy Correct Answers Extrinsic mortality
risk
According to Kirkwood, what is the main driver for the
evolution of longevity? Correct Answers Extrinsic mortality
risk
According to Leonard, one of the hallmarks of human evolution
was...
1. the one optimal diet humans adopted.
2.the discovery and control of fire.
3. the development and proficient use of stone tools
4. the diversity of strategies used to obtain food. Correct
Answers 4. the diversity of strategies used to obtain food.
According to Leonard, the hallmarks of human evolution were
what? Correct Answers The diversity of strategies to obtain
food
,Antagonistic Pleiotropy means: Correct Answers The gene has
beneficial effects early in life but adverse consequences later
As an evolutionary explanation for senescence "Death is an
adaptation for the good of the group" means: Correct Answers it
is energetically costly to care for those old and dying, and they
no longer serve to perpetuate the species
As an evolutionary explanation for senescence "genes that show
senescence show antagonistic pleiotropy" means: Correct
Answers The gene has beneficial effects early in life but
adverse consequences later
Beaver tree harvesting behavior (Nesse and Williams reading) is
an example of? Correct Answers How we can predict and test
aspects of biology using evolutionary logic
Because the number of new neutral alleles that reach fixation
is ?the same/higher? in large populations relative to small
populations, we are still able to look at the number of fixed
mutations in a population to construct phylogenetic trees.
Correct Answers the same
By 2020, depression is predicted to be what? Correct Answers
The second most important cause of ill health worldwide
Canalization in DNA means Correct Answers there are
developmental mechanisms limiting phenotypic variation.
, Compared to other animals and primates, humans tend to have:
Correct Answers 1. A prolonged childhood phase
2. A linear growth spurt during puberty
3. A long post-reproductive period
Compared to other animals, humans tend to have what? Correct
Answers Longer childhood phases
Complete the following sentence: When populations are large
and selection is strong, evolution can be very "fast/slow" . This
is because big populations tend to have much more/less" genetic
variation relative to small populations. Correct Answers fast,
more
Directional selection Correct Answers Finch into a turkey (not
finch into a T-Rex)
Disruptive Selection: Correct Answers Selection FOR extremes
DNA sequences are shaped by drift with plenty of exceptions.
Give two examples Correct Answers 1. DNA sections with
clear selective value
2. Organism traits with no apparent selective value
Does drift occur in organisms which do not exhibit meiosis?
Correct Answers Yes
Epimutation is Correct Answers a DNA mutation
Evolution can be: Correct Answers Adaptive
Maladaptive
A person with the genotype AA is said to be __________ at the
given locus. Correct Answers Homozygous
According to Eaton, how did early agriculturalists compare to
their hunter gatherer ancestors? Correct Answers They were
shorter
According to Kirkwood, the main driver for the evolution of
longevity is
1. Extrinsic mortality risk
2. Intrinsic mortality risk
3. Antagonistic Pleiotropy Correct Answers Extrinsic mortality
risk
According to Kirkwood, what is the main driver for the
evolution of longevity? Correct Answers Extrinsic mortality
risk
According to Leonard, one of the hallmarks of human evolution
was...
1. the one optimal diet humans adopted.
2.the discovery and control of fire.
3. the development and proficient use of stone tools
4. the diversity of strategies used to obtain food. Correct
Answers 4. the diversity of strategies used to obtain food.
According to Leonard, the hallmarks of human evolution were
what? Correct Answers The diversity of strategies to obtain
food
,Antagonistic Pleiotropy means: Correct Answers The gene has
beneficial effects early in life but adverse consequences later
As an evolutionary explanation for senescence "Death is an
adaptation for the good of the group" means: Correct Answers it
is energetically costly to care for those old and dying, and they
no longer serve to perpetuate the species
As an evolutionary explanation for senescence "genes that show
senescence show antagonistic pleiotropy" means: Correct
Answers The gene has beneficial effects early in life but
adverse consequences later
Beaver tree harvesting behavior (Nesse and Williams reading) is
an example of? Correct Answers How we can predict and test
aspects of biology using evolutionary logic
Because the number of new neutral alleles that reach fixation
is ?the same/higher? in large populations relative to small
populations, we are still able to look at the number of fixed
mutations in a population to construct phylogenetic trees.
Correct Answers the same
By 2020, depression is predicted to be what? Correct Answers
The second most important cause of ill health worldwide
Canalization in DNA means Correct Answers there are
developmental mechanisms limiting phenotypic variation.
, Compared to other animals and primates, humans tend to have:
Correct Answers 1. A prolonged childhood phase
2. A linear growth spurt during puberty
3. A long post-reproductive period
Compared to other animals, humans tend to have what? Correct
Answers Longer childhood phases
Complete the following sentence: When populations are large
and selection is strong, evolution can be very "fast/slow" . This
is because big populations tend to have much more/less" genetic
variation relative to small populations. Correct Answers fast,
more
Directional selection Correct Answers Finch into a turkey (not
finch into a T-Rex)
Disruptive Selection: Correct Answers Selection FOR extremes
DNA sequences are shaped by drift with plenty of exceptions.
Give two examples Correct Answers 1. DNA sections with
clear selective value
2. Organism traits with no apparent selective value
Does drift occur in organisms which do not exhibit meiosis?
Correct Answers Yes
Epimutation is Correct Answers a DNA mutation
Evolution can be: Correct Answers Adaptive
Maladaptive
