Question 1

Each sperm and egg contains __________ chromosomes.

Accepted Answer

A) 23 
B) 26 
C) 46 
D) a variable number of 
A) 23 
B) 26 
C) 46 
D) a variable number of

Question 2

The autosomes determine the sex of the child.

Accepted Answer

A) True 
 B)False

Question 3

Polygenic inheritance

Accepted Answer

A) reflects the influence of a single gene. 
B) determines "either-or" traits,such as eye color. 
C) cannot be studied because its influence is too broad. 
D) influences behavioral and psychological traits such as intelligence. 
A) reflects the influence of a single gene. 
B) determines "either-or" traits,such as eye color. 
C) cannot be studied because its influence is too broad. 
D) influences behavioral and psychological traits such as intelligence.

Question 4

Debbie and Paul are thinking about starting a family,but are a little hesitant because there is a history of phenylketonuria in Debbie's family.What should Debbie and Paul do?

Accepted Answer

A) They should adopt a child if they want children.Anyone with a history of inherited disease in their family should not have children. 
B) They should go ahead and try to start a family.If Debbie is a carrier of the disease,she is unlikely to be able to get pregnant. 
C) They should go ahead and start trying.Phenylketonuria is not an inherited disease. 
D) They should go to genetic counseling to determine what the odds are that they will pass on the disease. 
A) They should adopt a child if they want children.Anyone with a history of inherited disease in their family should not have children. 
B) They should go ahead and try to start a family.If Debbie is a carrier of the disease,she is unlikely to be able to get pregnant. 
C) They should go ahead and start trying.Phenylketonuria is not an inherited disease. 
D) They should go to genetic counseling to determine what the odds are that they will pass on the disease.

Question 5

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 6

When one allele does not dominate another completely,it is a case of

Accepted Answer

A) recessive inheritance. 
B) incomplete dominance. 
C) phenotype. 
D) polygenic inheritance. 
A) recessive inheritance. 
B) incomplete dominance. 
C) phenotype. 
D) polygenic inheritance.

Question 7

The fact that children with genes for average intelligence can actually develop either below-average,average,or above-average intelligence depending on their experiences best illustrates which of the following themes of development?

Accepted Answer

A) Early development is related to later development,but not perfectly. 
B) Development is always jointly influenced by heredity and environment. 
C) Children help determine their own environment. 
D) Development in different domains is connected. 
A) Early development is related to later development,but not perfectly. 
B) Development is always jointly influenced by heredity and environment. 
C) Children help determine their own environment. 
D) Development in different domains is connected.

Question 8

The continuous interplay between genes and multiple levels of the environment (from cells to culture)that drives development is known as ______________.

Accepted Answer

A) epigenesis. 
B) codominance. 
C) heritability. 
D) niche-icking. 
A) epigenesis. 
B) codominance. 
C) heritability. 
D) niche-icking.

Question 9

Explain the general properties of the paths from genes to behavior.

Accepted Answer

A good answer will include the following

Question 10

If the allele for Type O blood is recessive,and the alleles for Type A and B blood are dominant,which of the following individuals would have Type O blood?

Accepted Answer

A) a person with an AO genotype 
B) a person with a BO genotype 
C) a person with an OO genotype 
D) all of these 
A) a person with an AO genotype 
B) a person with a BO genotype 
C) a person with an OO genotype 
D) all of these

Question 11

Adoption studies tend to study mothers more often than fathers because

Accepted Answer

A) mothers tend to have a stronger genetic influence on their children than fathers do. 
B) mothers tend to have a stronger environmental influence on their children than fathers do. 
C) fathers generally have less genetic and environmental influence on their children's development than mothers do. 
D) it is harder to get information about the fathers than about the mothers. 
A) mothers tend to have a stronger genetic influence on their children than fathers do. 
B) mothers tend to have a stronger environmental influence on their children than fathers do. 
C) fathers generally have less genetic and environmental influence on their children's development than mothers do. 
D) it is harder to get information about the fathers than about the mothers.

Question 12

Tina has XXX syndrome.Which of the following characteristics is she likely to have?

Accepted Answer

A) tall stature,difficulty with spatial relations 
B) short stature,difficulty with spatial relations 
C) tall stature,below-normal intelligence 
D) normal height,delayed motor and language development 
A) tall stature,difficulty with spatial relations 
B) short stature,difficulty with spatial relations 
C) tall stature,below-normal intelligence 
D) normal height,delayed motor and language development

Question 13

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.

Question 14

The extra 21st chromosome that causes Down syndrome is

Accepted Answer

A) usually provided by the egg. 
B) usually provided by the sperm. 
C) provided by the egg about half the time and by the sperm about half the time. 
D) usually created sometime during prenatal development. 
A) usually provided by the egg. 
B) usually provided by the sperm. 
C) provided by the egg about half the time and by the sperm about half the time. 
D) usually created sometime during prenatal development.

Question 15

Jared was born with a disorder that causes his respiratory and digestive tracts to become clogged with mucus.Jared suffers from

Accepted Answer

A) Klinefelter's syndrome. 
B) Tay-Sachs disease. 
C) cystic fibrosis. 
D) Turner's syndrome. 
A) Klinefelter's syndrome. 
B) Tay-Sachs disease. 
C) cystic fibrosis. 
D) Turner's syndrome.

Question 16

Sickle-cell anemia

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 17

An XYY complement of sex chromosomes is associated with which of the following characteristics?

Accepted Answer

A) problems perceiving spatial relations 
B) short stature 
C) below-normal intelligence 
D) susceptibility to heart defects 
A) problems perceiving spatial relations 
B) short stature 
C) below-normal intelligence 
D) susceptibility to heart defects

Question 18

If the allele for brown eyes is dominant and the allele for blue eyes is recessive,which genotype produces a person with blue eyes?

Accepted Answer

A) A blue-eyed person is homozygous with two alleles for brown eyes. 
B) A blue-eyed person is homozygous with two alleles for blue eyes. 
C) A blue-eyed person is heterozygous with one allele for blue eyes and one allele for brown eyes. 
D) The alleles for eye color are demonstrating codominance. 
A) A blue-eyed person is homozygous with two alleles for brown eyes. 
B) A blue-eyed person is homozygous with two alleles for blue eyes. 
C) A blue-eyed person is heterozygous with one allele for blue eyes and one allele for brown eyes. 
D) The alleles for eye color are demonstrating codominance.

Question 19

In 2010,Dale,Harlaar,Haworth,and Plomin completed a twin study in which they found evidence suggesting an important role for heredity in the ease with which adolescents learn a second language.Given this,

Accepted Answer

A) skill in foreign language was more similar among fraternal twins than among identical twins. 
B) skill in foreign language was more similar among identical twins than among fraternal twins. 
C) skill in foreign language was equal among fraternal and identical twins. 
D) skill in foreign language cannot be evaluated using a twin study. 
A) skill in foreign language was more similar among fraternal twins than among identical twins. 
B) skill in foreign language was more similar among identical twins than among fraternal twins. 
C) skill in foreign language was equal among fraternal and identical twins. 
D) skill in foreign language cannot be evaluated using a twin study.

Question 20

Most behavioral and psychological traits are polygenic traits.

Accepted Answer

A) True 
 B)False

Each sperm and egg contains __________ chromosomes.

The autosomes determine the sex of the child.

Polygenic inheritance

Debbie and Paul are thinking about starting a family,but are a little hesitant because there is a history of phenylketonuria in Debbie's family.What should Debbie and Paul do?

There are no chromosomal disorders consisting solely of __________ chromosomes.

When one allele does not dominate another completely,it is a case of

The fact that children with genes for average intelligence can actually develop either below-average,average,or above-average intelligence depending on their experiences best illustrates which of the following themes of development?

The continuous interplay between genes and multiple levels of the environment (from cells to culture)that drives development is known as ______________.

Explain the general properties of the paths from genes to behavior.

If the allele for Type O blood is recessive,and the alleles for Type A and B blood are dominant,which of the following individuals would have Type O blood?

Adoption studies tend to study mothers more often than fathers because

Tina has XXX syndrome.Which of the following characteristics is she likely to have?

In adoption studies

The extra 21st chromosome that causes Down syndrome is

Jared was born with a disorder that causes his respiratory and digestive tracts to become clogged with mucus.Jared suffers from

Sickle-cell anemia

An XYY complement of sex chromosomes is associated with which of the following characteristics?

If the allele for brown eyes is dominant and the allele for blue eyes is recessive,which genotype produces a person with blue eyes?

In 2010,Dale,Harlaar,Haworth,and Plomin completed a twin study in which they found evidence suggesting an important role for heredity in the ease with which adolescents learn a second language.Given this,

Most behavioral and psychological traits are polygenic traits.

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

Each sperm and egg contains __________ chromosomes.

The autosomes determine the sex of the child.

Polygenic inheritance

Debbie and Paul are thinking about starting a family,but are a little hesitant because there is a history of phenylketonuria in Debbie's family.What should Debbie and Paul do?

There are no chromosomal disorders consisting solely of __________ chromosomes.

When one allele does not dominate another completely,it is a case of

The fact that children with genes for average intelligence can actually develop either below-average,average,or above-average intelligence depending on their experiences best illustrates which of the following themes of development?

The continuous interplay between genes and multiple levels of the environment (from cells to culture)that drives development is known as ______________.

Explain the general properties of the paths from genes to behavior.

If the allele for Type O blood is recessive,and the alleles for Type A and B blood are dominant,which of the following individuals would have Type O blood?

Adoption studies tend to study mothers more often than fathers because

Tina has XXX syndrome.Which of the following characteristics is she likely to have?

In adoption studies

The extra 21st chromosome that causes Down syndrome is

Jared was born with a disorder that causes his respiratory and digestive tracts to become clogged with mucus.Jared suffers from

Sickle-cell anemia

An XYY complement of sex chromosomes is associated with which of the following characteristics?

If the allele for brown eyes is dominant and the allele for blue eyes is recessive,which genotype produces a person with blue eyes?

In 2010,Dale,Harlaar,Haworth,and Plomin completed a twin study in which they found evidence suggesting an important role for heredity in the ease with which adolescents learn a second language.Given this,

Most behavioral and psychological traits are polygenic traits.

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