Question 1

Peter has Klinefelter's syndrome. He is likely to be

Accepted Answer

A)  tall, passive, and have below-normal intelligence. 
B)  short and have difficulty with spatial relations. 
C)  of normal height and have delayed language development. 
D)  tall and of average or above average intelligence. 
A)  tall, passive, and have below-normal intelligence. 
B)  short and have difficulty with spatial relations. 
C)  of normal height and have delayed language development. 
D)  tall and of average or above average intelligence.

Question 2

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

Accepted Answer

A) True 
 B)False

Question 3

The autosomes determine the sex of the child.

Accepted Answer

A) True 
 B)False

Question 4

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 5

Children with Down syndrome typically have

Accepted Answer

A)  advanced development. 
B)  normal development. 
C)  slower than normal development. 
D)  no development. 
A)  advanced development. 
B)  normal development. 
C)  slower than normal development. 
D)  no development.

Question 6

If an allele for a disorder is dominant, then every person who receives the allele will have the disorder.

Accepted Answer

A) True 
 B)False

Question 7

Phenylketonuria (PKU) is an example of

Accepted Answer

A)  the interaction between genes and environment. 
B)  a disorder caused by a dominant allele. 
C)  a chromosomal abnormality caused by an extra chromosome. 
D)  a disorder whose effects cannot be changed by the environment. 
A)  the interaction between genes and environment. 
B)  a disorder caused by a dominant allele. 
C)  a chromosomal abnormality caused by an extra chromosome. 
D)  a disorder whose effects cannot be changed by the environment.

Question 8

Leslie is homozygous for hair type. Therefore, she must have

Accepted Answer

A)  curly hair. 
B)  straight hair. 
C)  one allele for curly hair and one allele for straight hair. 
D)  either two alleles for curly hair or two alleles for straight hair. 
A)  curly hair. 
B)  straight hair. 
C)  one allele for curly hair and one allele for straight hair. 
D)  either two alleles for curly hair or two alleles for straight hair.

Question 9

In twin studies, it is assumed that heredity influences a characteristic if fraternal twins are more alike than identical twins.

Accepted Answer

A) True 
 B)False

Question 10

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 11

Inherited disorders

Accepted Answer

A)  are most often caused by dominant alleles. 
B)  are relatively rare. 
C)  do not run in families. 
D)  are more common than disorders caused by the wrong number of chromosomes. 
A)  are most often caused by dominant alleles. 
B)  are relatively rare. 
C)  do not run in families. 
D)  are more common than disorders caused by the wrong number of chromosomes.

Question 12

Lucas has one allele for normal blood cells and one allele for sickle-shaped cells. Lucas' blood cell alleles are

Accepted Answer

A)  recessive. 
B)  dominant. 
C)  heterozygous. 
D)  homozygous. 
A)  recessive. 
B)  dominant. 
C)  heterozygous. 
D)  homozygous.

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

Tom has Huntington's disease. You would expect him to begin to show signs of nervous system deterioration

Accepted Answer

A)  at birth. 
B)  during childhood. 
C)  during adolescence. 
D)  during middle adulthood. 
A)  at birth. 
B)  during childhood. 
C)  during adolescence. 
D)  during middle adulthood.

Question 15

A homozygous individual has two alleles that are the same.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is the best example of a phenotype?

Accepted Answer

A)  blue eyes 
B)  an allele for sickle-shaped cells 
C)  an XX chromosome pattern 
D)  codominant genes 
A)  blue eyes 
B)  an allele for sickle-shaped cells 
C)  an XX chromosome pattern 
D)  codominant genes

Question 17

A fertilized egg contains __________ pairs of chromosome(s).

Accepted Answer

A)  1 
B)  22 
C)  23 
D)  46 
A)  1 
B)  22 
C)  23 
D)  46

Question 18

Extra, missing, or damaged chromosomes

Accepted Answer

A)  do not usually disturb development. 
B)  sometimes disturb development. 
C)  always disturb development. 
D)  always cause spontaneous abortion. 
A)  do not usually disturb development. 
B)  sometimes disturb development. 
C)  always disturb development. 
D)  always cause spontaneous abortion.

Question 19

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 20

Abner has a dominant allele for a full head of hair and a recessive allele for male pattern baldness. You would expect Abner to

Accepted Answer

A)  be completely bald. 
B)  be partially bald. 
C)  have a full head of hair. 
D)  have thin hair. 
A)  be completely bald. 
B)  be partially bald. 
C)  have a full head of hair. 
D)  have thin hair.

Peter has Klinefelter's syndrome. He is likely to be

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

The autosomes determine the sex of the child.

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

Children with Down syndrome typically have

If an allele for a disorder is dominant, then every person who receives the allele will have the disorder.

Phenylketonuria (PKU) is an example of

Leslie is homozygous for hair type. Therefore, she must have

In twin studies, it is assumed that heredity influences a characteristic if fraternal twins are more alike than identical twins.

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

Inherited disorders

Lucas has one allele for normal blood cells and one allele for sickle-shaped cells. Lucas' blood cell alleles are

In vitro fertilization is a procedure in which

Tom has Huntington's disease. You would expect him to begin to show signs of nervous system deterioration

A homozygous individual has two alleles that are the same.

Which of the following is the best example of a phenotype?

A fertilized egg contains __________ pairs of chromosome(s).

Extra, missing, or damaged chromosomes

Polygenic inheritance

Abner has a dominant allele for a full head of hair and a recessive allele for male pattern baldness. You would expect Abner to

The Science of Child Development

Prenatal Development, Birth, and the Newborn

Growth and Health

Perceptual and Motor Development

Theories of Cognitive Development

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Exam 2: Genetic Bases of Child Development

Peter has Klinefelter's syndrome. He is likely to be

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

The autosomes determine the sex of the child.

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

Children with Down syndrome typically have

If an allele for a disorder is dominant, then every person who receives the allele will have the disorder.

Phenylketonuria (PKU) is an example of

Leslie is homozygous for hair type. Therefore, she must have

In twin studies, it is assumed that heredity influences a characteristic if fraternal twins are more alike than identical twins.

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

Inherited disorders

Lucas has one allele for normal blood cells and one allele for sickle-shaped cells. Lucas' blood cell alleles are

In vitro fertilization is a procedure in which

Tom has Huntington's disease. You would expect him to begin to show signs of nervous system deterioration

A homozygous individual has two alleles that are the same.

Which of the following is the best example of a phenotype?

A fertilized egg contains __________ pairs of chromosome(s).

Extra, missing, or damaged chromosomes

Polygenic inheritance

Abner has a dominant allele for a full head of hair and a recessive allele for male pattern baldness. You would expect Abner to

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