Question 1

A recessive gene governs trait M. If a child exhibits trait M, then:

Accepted Answer

A)  both her parents must have also exhibited trait M. 
B)  both her parents must have the recessive gene for trait M. 
C)  one of her parents has the gene for trait M. 
D)  the child has to have a dominant gene for trait M. 
A)  both her parents must have also exhibited trait M. 
B)  both her parents must have the recessive gene for trait M. 
C)  one of her parents has the gene for trait M. 
D)  the child has to have a dominant gene for trait M. B

Question 2

A researcher finds that, for a particular trait, first cousins are more similar than are third cousins. This researcher has evidence that the trait is:

Accepted Answer

A)  heritable. 
B)  polygenic. 
C)  multifactorial. 
D)  all of these. 
A)  heritable. 
B)  polygenic. 
C)  multifactorial. 
D)  all of these. A

Question 3

Behaviour genetics rests in part on the premise that, to the extent that genetic factors are important, individuals who _____ should be more similar than are individuals who _____.

Accepted Answer

A)  are closely related; are unrelated 
B)  are unrelated; are closely related 
C)  have lived together; have not lived together 
D)  have not lived together; have lived together 
A)  are closely related; are unrelated 
B)  are unrelated; are closely related 
C)  have lived together; have not lived together 
D)  have not lived together; have lived together A

Question 4

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 _____%.

Accepted Answer

A)  0 
B)  25 
C)  50 
D)  75 
A)  0 
B)  25 
C)  50 
D)  75

Question 5

All the outcomes that could theoretically result from a given genotype are referred to as the:

Accepted Answer

A)  polygenic inheritance. 
B)  genotype-environment interaction. 
C)  phenotype. 
D)  norm of reaction. 
A)  polygenic inheritance. 
B)  genotype-environment interaction. 
C)  phenotype. 
D)  norm of reaction.

Question 6

Which statement about gene expression is TRUE?

Accepted Answer

A)  All genes possessed by an individual are expressed continuously. 
B)  All genes contained in a particular cell are expressed in that cell, but not all genes are contained in every cell. 
C)  Some genes are expressed for only a short period of the cell's life. 
D)  All genes possessed by an individual are expressed at some point in the individual's life. 
A)  All genes possessed by an individual are expressed continuously. 
B)  All genes contained in a particular cell are expressed in that cell, but not all genes are contained in every cell. 
C)  Some genes are expressed for only a short period of the cell's life. 
D)  All genes possessed by an individual are expressed at some point in the individual's life.

Question 7

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:

Accepted Answer

A)  reorganize to process sensory information from his feet. 
B)  atrophy as a result of synaptic pruning. 
C)  interfere with the functioning of nearby areas of the brain. 
D)  disintermediate. 
A)  reorganize to process sensory information from his feet. 
B)  atrophy as a result of synaptic pruning. 
C)  interfere with the functioning of nearby areas of the brain. 
D)  disintermediate.

Question 8

Which statement provides the BEST evidence for the argument that intelligence has a genetic influence?

Accepted Answer

A)  Identical twins are not identical in IQ. 
B)  Identical twins are more similar in intelligence than are fraternal twins. 
C)  Fraternal twins are more similar in intelligence when they are reared together than when they are reared apart. 
D)  Fraternal twins become less similar in intelligence as they get older. 
A)  Identical twins are not identical in IQ. 
B)  Identical twins are more similar in intelligence than are fraternal twins. 
C)  Fraternal twins are more similar in intelligence when they are reared together than when they are reared apart. 
D)  Fraternal twins become less similar in intelligence as they get older.

Question 9

Which statement about physical growth is TRUE?

Accepted Answer

A)  Physical growth is quite regular over time. 
B)  Humans grow for a smaller proportion of their life span than other species. 
C)  Growth tends to be even across different parts of the body. 
D)  Growth is uneven over time. 
A)  Physical growth is quite regular over time. 
B)  Humans grow for a smaller proportion of their life span than other species. 
C)  Growth tends to be even across different parts of the body. 
D)  Growth is uneven over time.

Question 10

Which design would be ideal for studying behaviour genetics?

Accepted Answer

A)  an adoption study 
B)  a family study 
C)  an adoptive twin study 
D)  a twin study 
A)  an adoption study 
B)  a family study 
C)  an adoptive twin study 
D)  a twin study

Question 11

Describe three mechanisms for genetic diversity, and give examples of each mechanism. Discuss how these processes can result in beneficial genetic outcomes, as well as how they can also produce disease and disorders.

Accepted Answer

Several mechanisms contribute to genetic

Question 12

Children who suffer brain damage:

Accepted Answer

A)  tend to experience a shift in the area in which a particular brain function is located. 
B)  can always make a complete and long-term recovery. 
C)  suffer long-term consequences only if they are particularly genetically vulnerable to synapse elimination. 
D)  All of the answers are correct. 
A)  tend to experience a shift in the area in which a particular brain function is located. 
B)  can always make a complete and long-term recovery. 
C)  suffer long-term consequences only if they are particularly genetically vulnerable to synapse elimination. 
D)  All of the answers are correct.

Question 13

If an individual is heterozygous for a trait, he has inherited two _____ allele(s) for that trait.

Accepted Answer

A)  of the same 
B)  different 
C)  dominant 
D)  recessive 
A)  of the same 
B)  different 
C)  dominant 
D)  recessive

Question 14

Marked changes in physical development that have occurred over generations are referred to as:

Accepted Answer

A)  historical anomalies. 
B)  generation-dependent plasticity. 
C)  secular trends. 
D)  growth disturbances. 
A)  historical anomalies. 
B)  generation-dependent plasticity. 
C)  secular trends. 
D)  growth disturbances.

Question 15

Which statement about synesthesia is NOT true?

Accepted Answer

A)  Experiencing the sound of a bell as the colour yellow is an example of synesthesia. 
B)  Synesthesia may be experienced by newborns. 
C)  Synesthesia is caused by an overabundance of synapses. 
D)  Synesthesia is not experienced by infants and newborns. 
A)  Experiencing the sound of a bell as the colour yellow is an example of synesthesia. 
B)  Synesthesia may be experienced by newborns. 
C)  Synesthesia is caused by an overabundance of synapses. 
D)  Synesthesia is not experienced by infants and newborns.

Question 16

Which part of the neuron can be the LARGEST in size?

Accepted Answer

A)  the axon 
B)  the synapse 
C)  the cell body 
D)  the dendrite 
A)  the axon 
B)  the synapse 
C)  the cell body 
D)  the dendrite

Question 17

Psychological traits, such as empathy, aggression, and shyness, follow the _____ type of inheritance pattern.

Accepted Answer

A)  dominant-recessive 
B)  X-linked 
C)  polygenic 
D)  heterozygous 
A)  dominant-recessive 
B)  X-linked 
C)  polygenic 
D)  heterozygous

Question 18

Sex-linked disorders associated with the X chromosome are:

Accepted Answer

A)  more likely to affect males. 
B)  more likely to affect females. 
C)  equally likely to affect males and females. 
D)  a result of fragile X syndrome. 
A)  more likely to affect males. 
B)  more likely to affect females. 
C)  equally likely to affect males and females. 
D)  a result of fragile X syndrome.

Question 19

Children share _____ of their genetic material with each of their grandparents.

Accepted Answer

A)  one-half 
B)  one-third 
C)  one-quarter 
D)  one-eighth 
A)  one-half 
B)  one-third 
C)  one-quarter 
D)  one-eighth

Question 20

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

Accepted Answer

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

A recessive gene governs trait M. If a child exhibits trait M, then:

A researcher finds that, for a particular trait, first cousins are more similar than are third cousins. This researcher has evidence that the trait is:

Behaviour genetics rests in part on the premise that, to the extent that genetic factors are important, individuals who _ should be more similar than are individuals who _.

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 _____%.

All the outcomes that could theoretically result from a given genotype are referred to as the:

Which statement about gene expression is TRUE?

Which statement provides the BEST evidence for the argument that intelligence has a genetic influence?

Which statement about physical growth is TRUE?

Which design would be ideal for studying behaviour genetics?

Describe three mechanisms for genetic diversity, and give examples of each mechanism. Discuss how these processes can result in beneficial genetic outcomes, as well as how they can also produce disease and disorders.

Children who suffer brain damage:

If an individual is heterozygous for a trait, he has inherited two _____ allele(s) for that trait.

Marked changes in physical development that have occurred over generations are referred to as:

Which statement about synesthesia is NOT true?

Which part of the neuron can be the LARGEST in size?

Psychological traits, such as empathy, aggression, and shyness, follow the _____ type of inheritance pattern.

Sex-linked disorders associated with the X chromosome are:

Children share _____ of their genetic material with each of their grandparents.

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

An Introduction to Child Development

Prenatal Development and the Newborn Period

Theories of Cognitive Development

Seeing, Thinking, and Doing in Infancy

Development of Language and Symbol Use

Conceptual Development

Intelligence and Academic Achievement

Theories of Social Development

Emotional Development

Attachment to Others and Development of Self

The Family

Peer Relationships

Moral Development

Gender Development

Conclusions

Filters

Exam 3: Biology and Behaviour

A recessive gene governs trait M. If a child exhibits trait M, then:

A researcher finds that, for a particular trait, first cousins are more similar than are third cousins. This researcher has evidence that the trait is:

Behaviour genetics rests in part on the premise that, to the extent that genetic factors are important, individuals who _____ should be more similar than are individuals who _____.

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 _____%.

All the outcomes that could theoretically result from a given genotype are referred to as the:

Which statement about gene expression is TRUE?

Which statement provides the BEST evidence for the argument that intelligence has a genetic influence?

Which statement about physical growth is TRUE?

Which design would be ideal for studying behaviour genetics?

Describe three mechanisms for genetic diversity, and give examples of each mechanism. Discuss how these processes can result in beneficial genetic outcomes, as well as how they can also produce disease and disorders.

Children who suffer brain damage:

If an individual is heterozygous for a trait, he has inherited two _____ allele(s) for that trait.

Marked changes in physical development that have occurred over generations are referred to as:

Which statement about synesthesia is NOT true?

Which part of the neuron can be the LARGEST in size?

Psychological traits, such as empathy, aggression, and shyness, follow the _____ type of inheritance pattern.

Sex-linked disorders associated with the X chromosome are:

Children share _____ of their genetic material with each of their grandparents.

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

An Introduction to Child Development

Prenatal Development and the Newborn Period

Theories of Cognitive Development

Seeing, Thinking, and Doing in Infancy

Development of Language and Symbol Use

Conceptual Development

Intelligence and Academic Achievement

Theories of Social Development

Emotional Development

Attachment to Others and Development of Self

The Family

Peer Relationships

Moral Development

Gender Development

Conclusions

Filters

Behaviour genetics rests in part on the premise that, to the extent that genetic factors are important, individuals who _ should be more similar than are individuals who _.