Question 1

The food-scarce environment of our ancestors likely led to humans' propensity to gorge when food is available and to crave high-caloric foods-a trait that might lead to an epidemic of obesity when food is plentiful.This illustrates how:

Accepted Answer

A)   socialization influences the development of behavior and cognitive skills in human beings.
B)   evolved mechanisms are not always adaptive in contemporary society.
C)   organisms pass on characteristics they had acquired during their lifetime to their offspring.
D)   the benefits of evolutionary selection decrease with age.E) All of the above
F) C) and D)

Question 2

Approximately,_____ African Americans is a carrier for sickle-cell anemia.

Accepted Answer

A)   1 in 50
B)   1 in 100
C)   1 in 10
D)   1 in 200E) C) and D)
F) A) and B)

Question 3

Charlie is a cooperative,attentive child and is a favorite at home and school; and he receives positive,instructive responses from adults.This is indicative of a(n) :

Accepted Answer

A)   passive genotype-environment correlation.
B)   evocative genotype-environment correlation.
C)   influential genotype-environment correlation.
D)   active (niche-picking) genotype-environment correlation.E) All of the above
F) C) and D)

Question 4

_____ genes are those that make the individual more vulnerable to specific diseases or acceleration of aging.

Accepted Answer

A)   Susceptibility
B)   Longevity
C)   Vulnerability
D)   MutatedE) B) and D)
F) B) and C)

Question 5

The current maternal blood-screening test is called the triple screen because:

Accepted Answer

A)   it is performed three times.
B)   it diagnoses three diseases.
C)   it measures three substances in the mother's blood.
D)   it is the third prenatal diagnostic test performed in a pregnancy.E) A) and B)
F) A) and C)

Question 6

Which of the following statements about the activity of genes is TRUE?

Accepted Answer

A)   Genes are not collaborative.
B)   A single gene codes for a single,specific protein.
C)   Genetic expression is unaffected by environmental factors.
D)   Events that occur inside of the cell can excite or inhibit genetic expression.E) A) and B)
F) A) and C)

Question 7

A(n) _____ gene overrides the potential influence of a recessive gene.

Accepted Answer

A)   longevity
B)   dominant
C)   susceptible
D)   aggressiveE) B) and C)
F) A) and C)

Question 8

Which of the following statements about Turner syndrome is true?

Accepted Answer

A)   Turner syndrome occurs exclusively in females.
B)   People with Turner syndrome have extremely poor verbal ability.
C)   Males with Turner syndrome are short in stature and have webbed neck.
D)   Turner syndrome occurs in approximately 1 of every 25,000 live female births.E) A) and B)
F) B) and D)

Exam 2: Biological Beginnings

Which of the following statements about Turner syndrome is true?

Correct Answer
verified

Approximately,_____ African Americans is a carrier for sickle-cell anemia.

Correct Answer
verified

A(n) _____ gene overrides the potential influence of a recessive gene.

Correct Answer
verified

The food-scarce environment of our ancestors likely led to humans' propensity to gorge when food is available and to crave high-caloric foods-a trait that might lead to an epidemic of obesity when food is plentiful.This illustrates how:

Correct Answer
verified

The current maternal blood-screening test is called the triple screen because:

Correct Answer
verified

_____ genes are those that make the individual more vulnerable to specific diseases or acceleration of aging.

Correct Answer
verified

Charlie is a cooperative,attentive child and is a favorite at home and school; and he receives positive,instructive responses from adults.This is indicative of a(n) :

Correct Answer
verified

Which of the following statements about the activity of genes is TRUE?

Correct Answer
verified

Exam 2: Biological Beginnings

Which of the following statements about Turner syndrome is true?

Correct AnswerverifiedShow Answer

Approximately,_____ African Americans is a carrier for sickle-cell anemia.

Correct AnswerverifiedShow Answer

A(n) _____ gene overrides the potential influence of a recessive gene.

Correct AnswerverifiedShow Answer

The food-scarce environment of our ancestors likely led to humans' propensity to gorge when food is available and to crave high-caloric foods-a trait that might lead to an epidemic of obesity when food is plentiful.This illustrates how:

Correct AnswerverifiedShow Answer

The current maternal blood-screening test is called the triple screen because:

Correct AnswerverifiedShow Answer

_____ genes are those that make the individual more vulnerable to specific diseases or acceleration of aging.

Correct AnswerverifiedShow Answer

Charlie is a cooperative,attentive child and is a favorite at home and school; and he receives positive,instructive responses from adults.This is indicative of a(n) :

Correct AnswerverifiedShow Answer

Which of the following statements about the activity of genes is TRUE?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified