Question 1

In vitro fertilization

Accepted Answer

A) usually is accompanied by surrogate motherhood. 
B) is successful about 80% of the time. 
C) is less likely to result in the birth of twins or triplets. 
D) sometimes involves the use of egg and sperm from donors. 
A) usually is accompanied by surrogate motherhood. 
B) is successful about 80% of the time. 
C) is less likely to result in the birth of twins or triplets. 
D) sometimes involves the use of egg and sperm from donors.

Question 2

In Plomin's study of the effects of heredity on intelligence

Accepted Answer

A) adopted children's intelligence was more similar to their adoptive parents' skills and they became more similar as the children grew older. 
B) adopted children's intelligence was more similar to their biological parents' skills,but they became less similar as the children grew older. 
C) adopted children's intelligence was more similar to their adoptive parents' skills,but they became less similar as the children grew older. 
D) adopted children's intelligence was more similar to their biological parents' skills and they became more similar as the children grew older. 
A) adopted children's intelligence was more similar to their adoptive parents' skills and they became more similar as the children grew older. 
B) adopted children's intelligence was more similar to their biological parents' skills,but they became less similar as the children grew older. 
C) adopted children's intelligence was more similar to their adoptive parents' skills,but they became less similar as the children grew older. 
D) adopted children's intelligence was more similar to their biological parents' skills and they became more similar as the children grew older.

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

Dr.Tutu uses a twin study to determine the influence of heredity on emotionality.If emotionality is influenced by heredity,he will find that the level of emotionality is more similar in

Accepted Answer

A) sibling pairs than in identical twins. 
B) fraternal twins than in sibling pairs. 
C) fraternal twins than in identical twins. 
D) identical twins than in fraternal twins. 
A) sibling pairs than in identical twins. 
B) fraternal twins than in sibling pairs. 
C) fraternal twins than in identical twins. 
D) identical twins than in fraternal twins.

Question 5

Autosomal chromosomes

Accepted Answer

A) come in pairs containing one large and one small chromosome. 
B) come in pairs of chromosomes that are about the same size. 
C) determine the sex of a child. 
D) have an X and a Y chromosome. 
A) come in pairs containing one large and one small chromosome. 
B) come in pairs of chromosomes that are about the same size. 
C) determine the sex of a child. 
D) have an X and a Y chromosome.

Question 6

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 7

Why are relatively few inherited disorders caused by dominant alleles?

Accepted Answer

A) Most disorders caused by dominant alleles lead to sterility,which means the dominant allele will not be passed on. 
B) Genetic testing can more readily identify dominant rather than recessive alleles;genetic counseling has more successfully reduced the incidence of disorders caused by dominant alleles. 
C) Every person with one of the dominant alleles will have the disorder,and people with most of these disorders do not usually live long enough to reproduce,so the allele will not be passed on. 
D) Individuals carrying dominant alleles for a disorder are less likely to actually have the disorder than are individuals carrying a recessive allele for a disorder. 
A) Most disorders caused by dominant alleles lead to sterility,which means the dominant allele will not be passed on. 
B) Genetic testing can more readily identify dominant rather than recessive alleles;genetic counseling has more successfully reduced the incidence of disorders caused by dominant alleles. 
C) Every person with one of the dominant alleles will have the disorder,and people with most of these disorders do not usually live long enough to reproduce,so the allele will not be passed on. 
D) Individuals carrying dominant alleles for a disorder are less likely to actually have the disorder than are individuals carrying a recessive allele for a disorder.

Question 8

Each group of nucleotide bases that provides a specific set of biochemical instructions is a(n)__________.

Accepted Answer

A) egg 
B) sperm 
C) chromosome 
D) gene 
A) egg 
B) sperm 
C) chromosome 
D) gene

Question 9

Mindy and Mandy are dizygotic twins.Therefore,they

Accepted Answer

A) came from two separate eggs. 
B) have the same genes. 
C) have no shared genes. 
D) cannot be used in a twin study. 
A) came from two separate eggs. 
B) have the same genes. 
C) have no shared genes. 
D) cannot be used in a twin study.

Question 10

The most common autosomal disorder (caused by an abnormal number of autosomes)is

Accepted Answer

A) Klinefelter's syndrome. 
B) Turner's syndrome. 
C) Down syndrome. 
D) Tay-Sach's disease. 
A) Klinefelter's syndrome. 
B) Turner's syndrome. 
C) Down syndrome. 
D) Tay-Sach's disease.

Question 11

Which situation will lead to the largest heritability coefficient for reading disability?

Accepted Answer

A) well-educated parents providing academically stimulating environments that foster children's reading ability 
B) less-educated parents providing academically stimulating environments that foster children's reading ability 
C) well-educated parents providing environments that do not foster children's reading ability 
D) less-educated parents providing environments that do not foster children's reading ability 
A) well-educated parents providing academically stimulating environments that foster children's reading ability 
B) less-educated parents providing academically stimulating environments that foster children's reading ability 
C) well-educated parents providing environments that do not foster children's reading ability 
D) less-educated parents providing environments that do not foster children's reading ability

Question 12

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 13

In vitro fertilization is a procedure in which

Accepted Answer

A) an egg is fertilized by sperm in a laboratory dish and then placed in the mother's uterus. 
B) sperm is injected into the mother's uterus to fertilize her egg. 
C) a fertilized egg is extracted from one woman's uterus and then placed in another woman's uterus. 
D) a surrogate mother is used to carry another couple's developing fetus. 
A) an egg is fertilized by sperm in a laboratory dish and then placed in the mother's uterus. 
B) sperm is injected into the mother's uterus to fertilize her egg. 
C) a fertilized egg is extracted from one woman's uterus and then placed in another woman's uterus. 
D) a surrogate mother is used to carry another couple's developing fetus.

Question 14

In vitro fertilization involves combining the sperm and egg in a laboratory dish.

Accepted Answer

A) True 
 B)False

Question 15

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 16

Bobby (male)and Brandy (female)are __________ twins.

Accepted Answer

A) identical 
B) monozygotic 
C) dizygotic 
D) either monozygotic or dizygotic (it is impossible to tell without more information) 
A) identical 
B) monozygotic 
C) dizygotic 
D) either monozygotic or dizygotic (it is impossible to tell without more information)

Question 17

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.

Question 18

Alleles

Accepted Answer

A) in a chromosome pair are always identical. 
B) in a chromosome pair are always different. 
C) in a chromosome pair are sometimes identical and sometimes different. 
D) occur singly,not in pairs. 
A) in a chromosome pair are always identical. 
B) in a chromosome pair are always different. 
C) in a chromosome pair are sometimes identical and sometimes different. 
D) occur singly,not in pairs.

Question 19

Each group of nucleotide bases that provides a specific set of biochemical instructions is called a

Accepted Answer

A) phenotype. 
B) gene. 
C) chromosome pair. 
D) recessive allele. 
A) phenotype. 
B) gene. 
C) chromosome pair. 
D) recessive allele.

Question 20

Explain basic concepts of single gene inheritance using the terms alleles,chromosomes,homozygous,heterozygous,dominant,and recessive.

Accepted Answer

A good answer will include the following

In vitro fertilization

In Plomin's study of the effects of heredity on intelligence

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

Dr.Tutu uses a twin study to determine the influence of heredity on emotionality.If emotionality is influenced by heredity,he will find that the level of emotionality is more similar in

Autosomal chromosomes

Genetic counseling typically involves

Why are relatively few inherited disorders caused by dominant alleles?

Each group of nucleotide bases that provides a specific set of biochemical instructions is a(n)__________.

Mindy and Mandy are dizygotic twins.Therefore,they

The most common autosomal disorder (caused by an abnormal number of autosomes)is

Which situation will lead to the largest heritability coefficient for reading disability?

Sex chromosomes

In vitro fertilization is a procedure in which

In vitro fertilization involves combining the sperm and egg in a laboratory dish.

Which pair has the most genes in common?

Bobby (male)and Brandy (female)are __________ twins.

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

Alleles

Each group of nucleotide bases that provides a specific set of biochemical instructions is called a

Explain basic concepts of single gene inheritance using the terms alleles,chromosomes,homozygous,heterozygous,dominant,and recessive.

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

Exam 2: Genetic Bases of Child Development

In vitro fertilization

In Plomin's study of the effects of heredity on intelligence

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

Dr.Tutu uses a twin study to determine the influence of heredity on emotionality.If emotionality is influenced by heredity,he will find that the level of emotionality is more similar in

Autosomal chromosomes

Genetic counseling typically involves

Why are relatively few inherited disorders caused by dominant alleles?

Each group of nucleotide bases that provides a specific set of biochemical instructions is a(n)__________.

Mindy and Mandy are dizygotic twins.Therefore,they

The most common autosomal disorder (caused by an abnormal number of autosomes)is

Which situation will lead to the largest heritability coefficient for reading disability?

Sex chromosomes

In vitro fertilization is a procedure in which

In vitro fertilization involves combining the sperm and egg in a laboratory dish.

Which pair has the most genes in common?

Bobby (male)and Brandy (female)are __________ twins.

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

Alleles

Each group of nucleotide bases that provides a specific set of biochemical instructions is called a

Explain basic concepts of single gene inheritance using the terms alleles,chromosomes,homozygous,heterozygous,dominant,and recessive.

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