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Exam 3: Section 2: Biology and Behavior

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Question 31

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Which statement about traits that involve polygenic inheritance is true?

A) These traits are passed down from either the mother or the father directly to the offspring.
B) These traits are expressed only if an individual has a dominant gene.
C) Offspring have a one-in-four chance of possessing a trait if the parents possess it.
D) None of these statements is true.

E) A) and D)
F) C) and D)

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Question 32

Multiple Choice

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The manner in which individuals develop phenylketonuria is an example of:

A) genotype-environment interaction.
B) phenotype-environment interaction.
C) direct inheritance.
D) polygenic inheritance.

E) A) and B)
F) None of the above

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Question 33

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Genes code for:

The majority of human genes are devoted to making human beings:

Information from multiple sensory systems is processed and integrated in the:

The two hemispheres of the brain communicate via the:

Synapse elimination generally occurs as a result of:

Behaviour geneticists believe that _____ of the behavioural traits of human beings are influenced at least to some degree by genetic factors.

Which type of factor is involved in failure to thrive?

The observable expression of an individual's genetic material is referred to as the individual's:

Deaf individuals' responses to peripheral visual stimuli are discussed in the text as evidence of:

Which statement is true?

Which property is a mechanism for genetic inheritance of disease?

For a right-handed person, the left hemisphere processes information in a piecemeal, linear manner, whereas the right hemisphere processes information in a holistic manner. This occurrence is a result of:

The gene that codes for Characteristic X has two alleles. Allele D is dominant, and Allele r is recessive. If the father is homozygous for Trait X with Allele r and the mother is heterozygous for Trait X, the chance that one of their offspring will exhibit form r for Trait X is _____.

Cole was born with nonfunctioning hands and must use his feet for most tasks that are typically done with one's hands. Considering experience-expectant plasticity, the MOST likely thing that will happen to the area of Cole's cortex that would normally process sensory information from the hands is that the area will:

Children who have cataracts removed early in life are most likely to continue to have trouble with which of the following?

Regulator genes are responsible for:

A finding that siblings reared together are more similar in intelligence than half-siblings (individuals who share one parent) reared together would be evidence for the:

Parents who reward their children with sweets for eating vegetables are likely to be influencing their children to: