Question 1

Personality is

Accepted Answer

A)  determined by a single gene. 
B)  a polygenic trait. 
C)  determined by the sex chromosomes. 
D)  not influenced by genetic factors. 
A)  determined by a single gene. 
B)  a polygenic trait. 
C)  determined by the sex chromosomes. 
D)  not influenced by genetic factors. B

Question 2

The most appropriate time for a couple with concerns about their genetic background to seek genetic counseling is

Accepted Answer

A)  before the woman gets pregnant. 
B)  when the woman gets pregnant. 
C)  when the couple already has a child with a genetic disorder. 
D)  when they are about to become grandparents. 
A)  before the woman gets pregnant. 
B)  when the woman gets pregnant. 
C)  when the couple already has a child with a genetic disorder. 
D)  when they are about to become grandparents. A

Question 3

The branch of genetics that addresses the inheritance of behavioral and psychological traits is referred to as

Accepted Answer

A)  evocative genetics. 
B)  active genetics. 
C)  behavioral genetics. 
D)  polygenic genetics. 
A)  evocative genetics. 
B)  active genetics. 
C)  behavioral genetics. 
D)  polygenic genetics. C

Question 4

Results of twin and adoption studies suggest that genetics strongly influence

Accepted Answer

A)  intelligence, but do not strongly influence psychological disorders or personality. 
B)  intelligence and psychological disorders, but do not strongly influence personality. 
C)  personality and psychological disorders, but do not strongly influence intelligence. 
D)  intelligence, psychological disorders, and personality. 
A)  intelligence, but do not strongly influence psychological disorders or personality. 
B)  intelligence and psychological disorders, but do not strongly influence personality. 
C)  personality and psychological disorders, but do not strongly influence intelligence. 
D)  intelligence, psychological disorders, and personality.

Question 5

Genetic counseling typically involves

Accepted Answer

A)  obtaining a detailed family history and performing tests to help couples with concerns about inherited disorders. 
B)  informing parents-to-be about how they can have a more intelligent child. 
C)  the government in making decisions for private citizens. 
D)  helping couples with fertility problems. 
A)  obtaining a detailed family history and performing tests to help couples with concerns about inherited disorders. 
B)  informing parents-to-be about how they can have a more intelligent child. 
C)  the government in making decisions for private citizens. 
D)  helping couples with fertility problems.

Question 6

Describe Down syndrome. What it is, its causes, and its symptoms? What are the odds of having a child with Down syndrome?

Accepted Answer

A good answer will be similar to the fol

Question 7

Perry was born with phenylketonuria (PKU) which means that

Accepted Answer

A)  she has an intellectual disability and extra 21st chromosome. 
B)  a specific amino acid can accumulate and damage her nervous system. 
C)  she will develop normally until middle adulthood, at which time her nervous system will begin to deteriorate. 
D)  she has a missing chromosome and will be severely retarded. 
A)  she has an intellectual disability and extra 21st chromosome. 
B)  a specific amino acid can accumulate and damage her nervous system. 
C)  she will develop normally until middle adulthood, at which time her nervous system will begin to deteriorate. 
D)  she has a missing chromosome and will be severely retarded.

Question 8

Benji has the genotype for phenylketonuria. Which of the following statements is true?

Accepted Answer

A)  Benji will be mentally retarded. 
B)  Benji's phenylketonuria is not likely to surface until he reaches middle age. 
C)  If Benji avoids consuming phenylalanine, he will have normal intelligence. 
D)  Benji has a high likelihood of having an older mother. 
A)  Benji will be mentally retarded. 
B)  Benji's phenylketonuria is not likely to surface until he reaches middle age. 
C)  If Benji avoids consuming phenylalanine, he will have normal intelligence. 
D)  Benji has a high likelihood of having an older mother.

Question 9

A female who has normal stature, but delayed language, and motor development could have which of the following disorders?

Accepted Answer

A)  Klinefelter's syndrome 
B)  XYY complement 
C)  Turner's syndrome 
D)  XXX syndrome 
A)  Klinefelter's syndrome 
B)  XYY complement 
C)  Turner's syndrome 
D)  XXX syndrome

Question 10

Sex chromosomes

Accepted Answer

A)  do not come in pairs. 
B)  come in pairs of chromosomes that are about the same size. 
C)  determine the sex of the child. 
D)  are the first 22 pairs of chromosomes. 
A)  do not come in pairs. 
B)  come in pairs of chromosomes that are about the same size. 
C)  determine the sex of the child. 
D)  are the first 22 pairs of chromosomes.

Question 11

Heredity and environment interact dynamically throughout development. We know that a genotype is expressed differently when it is exposed to a different environment. We also know that the environment can trigger genetic expression. Explain this constant connection between nature and nurture. Be sure to give examples and discuss epigenesist in your explanation.

Accepted Answer

A good answer will be similar to the fol

Question 12

If a trait is strongly influenced by genetic factors, you would expect to find that

Accepted Answer

A)  adopted children resemble their biological parents more than their adoptive parents on that trait. 
B)  adopted children resemble their adoptive parents more than their biological parents on that trait. 
C)  dizygotic twins would be more similar on that trait than monozygotic twins would be. 
D)  dizygotic twins would be more similar on that trait than siblings would be. 
A)  adopted children resemble their biological parents more than their adoptive parents on that trait. 
B)  adopted children resemble their adoptive parents more than their biological parents on that trait. 
C)  dizygotic twins would be more similar on that trait than monozygotic twins would be. 
D)  dizygotic twins would be more similar on that trait than siblings would be.

Question 13

The risk of having a baby with Down syndrome decreases as the mother gets older.

Accepted Answer

A) True 
 B)False

Question 14

There are no chromosomal disorders consisting solely of __________ chromosomes.

Accepted Answer

A)  X 
B)  Y 
C)  autosomal 
D)  sex 
A)  X 
B)  Y 
C)  autosomal 
D)  sex

Question 15

The presence of abnormal autosomes is a major cause for spontaneous abortions during the period of the zygote.

Accepted Answer

A) True 
 B)False

Question 16

Which pair has the most genes in common?

Accepted Answer

A)  mother and daughter 
B)  identical twins 
C)  fraternal twins 
D)  brother and sister 
A)  mother and daughter 
B)  identical twins 
C)  fraternal twins 
D)  brother and sister

Question 17

The incidence of Down syndrome

Accepted Answer

A)  increases as the mother gets older. 
B)  decreases as the mother gets older. 
C)  decreases as the father gets older. 
D)  is unrelated to parental age. 
A)  increases as the mother gets older. 
B)  decreases as the mother gets older. 
C)  decreases as the father gets older. 
D)  is unrelated to parental age.

Question 18

Sickle-cell disease

Accepted Answer

A)  occurs in individuals who have one allele for normal blood cells and one allele for sickle-shaped cells. 
B)  is not an inherited disorder. 
C)  is not a serious health problem because it is easily cured. 
D)  is becoming less common in successive generations of African Americans. 
A)  occurs in individuals who have one allele for normal blood cells and one allele for sickle-shaped cells. 
B)  is not an inherited disorder. 
C)  is not a serious health problem because it is easily cured. 
D)  is becoming less common in successive generations of African Americans.

Question 19

Most behavioral and psychological traits are polygenic traits.

Accepted Answer

A) True 
 B)False

Question 20

In adoption studies

Accepted Answer

A)  the results may be biased because biological and adoptive parents may be similar. 
B)  adoptive parents are assumed to provide genetic influence. 
C)  biological parents are assumed to provide environmental influence. 
D)  the greater similarity of adoptees to biological than to adoptive parents on a trait would indicate that the trait is influenced by the environment. 
A)  the results may be biased because biological and adoptive parents may be similar. 
B)  adoptive parents are assumed to provide genetic influence. 
C)  biological parents are assumed to provide environmental influence. 
D)  the greater similarity of adoptees to biological than to adoptive parents on a trait would indicate that the trait is influenced by the environment.

Personality is

The most appropriate time for a couple with concerns about their genetic background to seek genetic counseling is

The branch of genetics that addresses the inheritance of behavioral and psychological traits is referred to as

Results of twin and adoption studies suggest that genetics strongly influence

Genetic counseling typically involves

Describe Down syndrome. What it is, its causes, and its symptoms? What are the odds of having a child with Down syndrome?

Perry was born with phenylketonuria (PKU) which means that

Benji has the genotype for phenylketonuria. Which of the following statements is true?

A female who has normal stature, but delayed language, and motor development could have which of the following disorders?

Sex chromosomes

If a trait is strongly influenced by genetic factors, you would expect to find that

The risk of having a baby with Down syndrome decreases as the mother gets older.

There are no chromosomal disorders consisting solely of __________ chromosomes.

The presence of abnormal autosomes is a major cause for spontaneous abortions during the period of the zygote.

Which pair has the most genes in common?

The incidence of Down syndrome

Sickle-cell disease

Most behavioral and psychological traits are polygenic traits.

In adoption studies

The Science of Child Development

Prenatal Development, Birth, and the Newborn

Growth and Health

Perceptual and Motor Development

Theories of Cognitive Development

Cognitive Processes and Academic Skills

Intelligence and Individual Differences in Cognition

Language and Communication

Emotional Development

Understanding Self and Others

Moral Understanding and Behavior

Gender and Development

Family Relationships

Influences Beyond the Family

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Exam 2: Genetic Bases of Child Development

Personality is

The most appropriate time for a couple with concerns about their genetic background to seek genetic counseling is

The branch of genetics that addresses the inheritance of behavioral and psychological traits is referred to as

Results of twin and adoption studies suggest that genetics strongly influence

Genetic counseling typically involves

Describe Down syndrome. What it is, its causes, and its symptoms? What are the odds of having a child with Down syndrome?

Perry was born with phenylketonuria (PKU) which means that

Benji has the genotype for phenylketonuria. Which of the following statements is true?

A female who has normal stature, but delayed language, and motor development could have which of the following disorders?

Sex chromosomes

If a trait is strongly influenced by genetic factors, you would expect to find that

The risk of having a baby with Down syndrome decreases as the mother gets older.

There are no chromosomal disorders consisting solely of __________ chromosomes.

The presence of abnormal autosomes is a major cause for spontaneous abortions during the period of the zygote.

Which pair has the most genes in common?

The incidence of Down syndrome

Sickle-cell disease

Most behavioral and psychological traits are polygenic traits.

In adoption studies

The Science of Child Development

Prenatal Development, Birth, and the Newborn

Growth and Health

Perceptual and Motor Development

Theories of Cognitive Development

Cognitive Processes and Academic Skills

Intelligence and Individual Differences in Cognition

Language and Communication

Emotional Development

Understanding Self and Others

Moral Understanding and Behavior

Gender and Development

Family Relationships

Influences Beyond the Family

Filters