Question 1

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 2

Huntington's disease is associated with

Accepted Answer

A)  the absence of an important liver enzyme. 
B)  limited development of secondary sexual characteristics. 
C)  a progressive deterioration of the nervous system. 
D)  taller than normal height. 
A)  the absence of an important liver enzyme. 
B)  limited development of secondary sexual characteristics. 
C)  a progressive deterioration of the nervous system. 
D)  taller than normal height.

Question 3

Jolie has sickle-cell trait, a temporary, relatively mild form of sickle-cell anemia, but does not have full-blown sickle-cell anemia. Her condition is most likely the result of

Accepted Answer

A)  incomplete dominance between one allele for normal blood cells and one for sickle-shaped cells. 
B)  two recessive alleles for sickle-shaped cells. 
C)  a dominant sickle-shaped cell allele and a recessive normal blood cell allele. 
D)  two dominant alleles for normal blood cells. 
A)  incomplete dominance between one allele for normal blood cells and one for sickle-shaped cells. 
B)  two recessive alleles for sickle-shaped cells. 
C)  a dominant sickle-shaped cell allele and a recessive normal blood cell allele. 
D)  two dominant alleles for normal blood cells.

Question 4

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 5

Who is most likely to have sickle-cell anemia?

Accepted Answer

A)  Tad, a European American 
B)  Jared, an African American 
C)  Miguel, an Hispanic American 
D)  Ed, an Asian American 
A)  Tad, a European American 
B)  Jared, an African American 
C)  Miguel, an Hispanic American 
D)  Ed, an Asian American

Question 6

Heredity and environment interact dynamically throughout development.

Accepted Answer

A) True 
 B)False

Question 7

Banta conducts an adoption study to estimate the heritability of intelligence. If intelligence is primarily influenced by the environment, he will find that

Accepted Answer

A)  adopted children's intelligence level is more similar to that of their biological parents than that of their adoptive parents. 
B)  adopted children's intelligence level is more similar to that of their adoptive parents than that of their biological parents. 
C)  adopted children's intelligence level is unrelated to that of either their biological or adoptive parents. 
D)  he cannot determine heritability with an adoption study, therefore he will need to do a twin study. 
A)  adopted children's intelligence level is more similar to that of their biological parents than that of their adoptive parents. 
B)  adopted children's intelligence level is more similar to that of their adoptive parents than that of their biological parents. 
C)  adopted children's intelligence level is unrelated to that of either their biological or adoptive parents. 
D)  he cannot determine heritability with an adoption study, therefore he will need to do a twin study.

Question 8

The first pair of chromosomes determines the sex of the child.

Accepted Answer

A) True 
 B)False

Question 9

A female who is short, has limited development of secondary sex characteristics, and who has problems with spatial relations would 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

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 11

Who provides the best example of niche-picking?

Accepted Answer

A)  musically-talented Mosi who chooses to spend his free time listening to music and practicing his guitar 
B)  natural singer Vanessa who is often asked to sing by her family and friends 
C)  tone-deaf Toneesha whose choir director asks her to simply mouth the words, rather than sing during performances 
D)  piano prodigy Philip who not only inherited musical talent from his symphony-playing parents, but was encouraged by his parents to begin playing a musical instrument at an early age 
A)  musically-talented Mosi who chooses to spend his free time listening to music and practicing his guitar 
B)  natural singer Vanessa who is often asked to sing by her family and friends 
C)  tone-deaf Toneesha whose choir director asks her to simply mouth the words, rather than sing during performances 
D)  piano prodigy Philip who not only inherited musical talent from his symphony-playing parents, but was encouraged by his parents to begin playing a musical instrument at an early age

Question 12

Which of the following chromosomal disorders does not involve abnormal sex chromosomes?

Accepted Answer

A)  Turner's syndrome 
B)  XXX syndrome 
C)  Down syndrome 
D)  Klinefelter's syndrome 
A)  Turner's syndrome 
B)  XXX syndrome 
C)  Down syndrome 
D)  Klinefelter's syndrome

Question 13

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

Question 14

Whose opinion is best supported by the results of twin and adoption studies?

Accepted Answer

A)  Aaron, who assumes heredity is solely responsible for behavioral development. 
B)  Baron, who believes heredity has a substantial, but not total influence on behavioral development. 
C)  Karen, who asserts that heredity has virtually no influence on development. 
D)  Sharon, who asserts that twin and adoption studies are too flawed to yield accurate information about the influence of genetics on development. 
A)  Aaron, who assumes heredity is solely responsible for behavioral development. 
B)  Baron, who believes heredity has a substantial, but not total influence on behavioral development. 
C)  Karen, who asserts that heredity has virtually no influence on development. 
D)  Sharon, who asserts that twin and adoption studies are too flawed to yield accurate information about the influence of genetics on development.

Question 15

Adoption studies may be flawed because

Accepted Answer

A)  adopted children are more likely than nonadopted children to have genetic disorders. 
B)  the results of adoption studies usually conflict with results of twin studies. 
C)  agencies may try to place adoptees in environments similar to those of their biological parents. 
D)  parents treat adopted children differently from biological children. 
A)  adopted children are more likely than nonadopted children to have genetic disorders. 
B)  the results of adoption studies usually conflict with results of twin studies. 
C)  agencies may try to place adoptees in environments similar to those of their biological parents. 
D)  parents treat adopted children differently from biological children.

Question 16

The traits controlled by single genes usually represent "either-or" phenotypes, while traits controlled by many genes typically represent an entire range of different outcomes.

Accepted Answer

A) True 
 B)False

Question 17

The presence of a Y chromosome appears to be necessary for life.

Accepted Answer

A) True 
 B)False

Question 18

Aletha and Frank are worried about their 1-year-old baby. His eyes are almond-shaped unlike theirs), his head seems small, and his development is slower than average - he's just now starting to sit up by himself. Which of the following disorders would you suspect their baby has?

Accepted Answer

A)  Huntington's disease 
B)  Klinefelter's syndrome 
C)  Turner's syndrome 
D)  Down syndrome 
A)  Huntington's disease 
B)  Klinefelter's syndrome 
C)  Turner's syndrome 
D)  Down syndrome

Question 19

Lilly and Kyle have been unable to conceive a baby through sexual intercourse, so they have decided to try in vitro fertilization. Which of the following is true about their situation?

Accepted Answer

A)  Lilly and Kyle's attempts to have a baby through in vitro fertilization are very likely to be successful. 
B)  Lilly and Kyle are very likely to have to use a surrogate mother to carry the child. 
C)  Lilly and Kyle will have to use donor sperm. 
D)  If Lilly does become pregnant, she will have a higher than average chance of having twins or triplets. 
A)  Lilly and Kyle's attempts to have a baby through in vitro fertilization are very likely to be successful. 
B)  Lilly and Kyle are very likely to have to use a surrogate mother to carry the child. 
C)  Lilly and Kyle will have to use donor sperm. 
D)  If Lilly does become pregnant, she will have a higher than average chance of having twins or triplets.

Question 20

The complete set of genes that makes up a person's heredity is called

Accepted Answer

A)  an allele. 
B)  deoxyribonucleic acid. 
C)  a genotype. 
D)  a phenotype. 
A)  an allele. 
B)  deoxyribonucleic acid. 
C)  a genotype. 
D)  a phenotype.

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

Huntington's disease is associated with

Jolie has sickle-cell trait, a temporary, relatively mild form of sickle-cell anemia, but does not have full-blown sickle-cell anemia. Her condition is most likely the result of

Each sperm and egg contains __________ chromosomes.

Who is most likely to have sickle-cell anemia?

Heredity and environment interact dynamically throughout development.

Banta conducts an adoption study to estimate the heritability of intelligence. If intelligence is primarily influenced by the environment, he will find that

The first pair of chromosomes determines the sex of the child.

A female who is short, has limited development of secondary sex characteristics, and who has problems with spatial relations would have which of the following disorders?

Why are relatively few inherited disorders caused by dominant alleles?

Who provides the best example of niche-picking?

Which of the following chromosomal disorders does not involve abnormal sex chromosomes?

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

Whose opinion is best supported by the results of twin and adoption studies?

Adoption studies may be flawed because

The traits controlled by single genes usually represent "either-or" phenotypes, while traits controlled by many genes typically represent an entire range of different outcomes.

The presence of a Y chromosome appears to be necessary for life.

Aletha and Frank are worried about their 1-year-old baby. His eyes are almond-shaped unlike theirs), his head seems small, and his development is slower than average - he's just now starting to sit up by himself. Which of the following disorders would you suspect their baby has?

Lilly and Kyle have been unable to conceive a baby through sexual intercourse, so they have decided to try in vitro fertilization. Which of the following is true about their situation?

The complete set of genes that makes up a person's heredity is called

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

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

Huntington's disease is associated with

Jolie has sickle-cell trait, a temporary, relatively mild form of sickle-cell anemia, but does not have full-blown sickle-cell anemia. Her condition is most likely the result of

Each sperm and egg contains __________ chromosomes.

Who is most likely to have sickle-cell anemia?

Heredity and environment interact dynamically throughout development.

Banta conducts an adoption study to estimate the heritability of intelligence. If intelligence is primarily influenced by the environment, he will find that

The first pair of chromosomes determines the sex of the child.

A female who is short, has limited development of secondary sex characteristics, and who has problems with spatial relations would have which of the following disorders?

Why are relatively few inherited disorders caused by dominant alleles?

Who provides the best example of niche-picking?

Which of the following chromosomal disorders does not involve abnormal sex chromosomes?

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

Whose opinion is best supported by the results of twin and adoption studies?

Adoption studies may be flawed because

The traits controlled by single genes usually represent "either-or" phenotypes, while traits controlled by many genes typically represent an entire range of different outcomes.

The presence of a Y chromosome appears to be necessary for life.

Aletha and Frank are worried about their 1-year-old baby. His eyes are almond-shaped unlike theirs), his head seems small, and his development is slower than average - he's just now starting to sit up by himself. Which of the following disorders would you suspect their baby has?

Lilly and Kyle have been unable to conceive a baby through sexual intercourse, so they have decided to try in vitro fertilization. Which of the following is true about their situation?

The complete set of genes that makes up a person's heredity is called

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