Question 1

Inherited disorders

Accepted Answer

A) are more often caused by recessive alleles than by dominant alleles. 
B) are more often caused by dominant alleles than by recessive alleles. 
C) are due to dominant alleles about half the time. 
D) do not usually seriously impair a child's development. 
A) are more often caused by recessive alleles than by dominant alleles. 
B) are more often caused by dominant alleles than by recessive alleles. 
C) are due to dominant alleles about half the time. 
D) do not usually seriously impair a child's development.

Question 2

Jackie has sickle-cell anemia,a condition which is

Accepted Answer

A) caused by a virus. 
B) caused by a bacterial infection. 
C) inherited. 
D) related to a lack of protein in the diet. 
A) caused by a virus. 
B) caused by a bacterial infection. 
C) inherited. 
D) related to a lack of protein in the diet.

Question 3

The problems associated with twin studies and adoption studies

Accepted Answer

A) are not serious enough to cause concern. 
B) can be minimized by using both kinds of studies to see if they yield similar results. 
C) can be minimized by using only one kind of study,so potential flaws are not multiplied. 
D) are insurmountable. 
A) are not serious enough to cause concern. 
B) can be minimized by using both kinds of studies to see if they yield similar results. 
C) can be minimized by using only one kind of study,so potential flaws are not multiplied. 
D) are insurmountable.

Question 4

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 5

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 6

The extra 21st chromosome that is found with Down syndrome usually comes from the father's sperm.

Accepted Answer

A) True 
 B)False

Question 7

The environment has no impact on when genes are activated - they follow a predictable and predetermined schedule based on maturation.

Accepted Answer

A) True 
 B)False

Question 8

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 9

Kelly and Ruben just had a baby boy.If they could look at their baby's sex chromosomes,they would see

Accepted Answer

A) one X and one Y chromosome. 
B) two Y chromosomes. 
C) one Y chromosome only. 
D) two X chromosomes. 
A) one X and one Y chromosome. 
B) two Y chromosomes. 
C) one Y chromosome only. 
D) two X chromosomes.

Question 10

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 11

__________ is one of the few serious inherited disorders caused by a dominant allele.

Accepted Answer

A) Sickle-cell anemia 
B) Phenylketonuria 
C) Turner's syndrome 
D) Huntington's disease 
A) Sickle-cell anemia 
B) Phenylketonuria 
C) Turner's syndrome 
D) Huntington's disease

Question 12

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 13

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 14

The behavioral consequences of genetic instructions depend on the environment in which those interactions develop.

Accepted Answer

A) True 
 B)False

Question 15

When phenotypes are caused by the combined effect of many separate genes,the pattern of inheritance is referred to as

Accepted Answer

A) polygenic inheritance. 
B) dominant-recessive. 
C) codominant. 
D) sex-linked inheritance. 
A) polygenic inheritance. 
B) dominant-recessive. 
C) codominant. 
D) sex-linked inheritance.

Question 16

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.

Question 17

__________ twins are to identical twins as __________ twins are to fraternal twins.

Accepted Answer

A) Homozygous;heterozygous 
B) Heterozygous;homozygous 
C) Dizygotic;monozygotic 
D) Monozygotic;dizygotic 
A) Homozygous;heterozygous 
B) Heterozygous;homozygous 
C) Dizygotic;monozygotic 
D) Monozygotic;dizygotic

Question 18

One problem with twin studies is that the experiences of identical twins may be more similar than the experiences of fraternal twins,so that heredity appears to have a greater influence.

Accepted Answer

A) True 
 B)False

Question 19

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 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.

Inherited disorders

Jackie has sickle-cell anemia,a condition which is

The problems associated with twin studies and adoption studies

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

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

The extra 21^st chromosome that is found with Down syndrome usually comes from the father's sperm.

The environment has no impact on when genes are activated - they follow a predictable and predetermined schedule based on maturation.

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

Kelly and Ruben just had a baby boy.If they could look at their baby's sex chromosomes,they would see

Phenylketonuria (PKU)is an example of

__________ is one of the few serious inherited disorders caused by a dominant allele.

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?

Results of twin and adoption studies suggest that genetics strongly influence

The behavioral consequences of genetic instructions depend on the environment in which those interactions develop.

When phenotypes are caused by the combined effect of many separate genes,the pattern of inheritance is referred to as

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

twins are to identical twins as twins are to fraternal twins.

One problem with twin studies is that the experiences of identical twins may be more similar than the experiences of fraternal twins,so that heredity appears to have a greater influence.

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

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

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Exam 2: Genetic Bases of Child Development

Inherited disorders

Jackie has sickle-cell anemia,a condition which is

The problems associated with twin studies and adoption studies

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

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

The extra 21st chromosome that is found with Down syndrome usually comes from the father's sperm.

The environment has no impact on when genes are activated - they follow a predictable and predetermined schedule based on maturation.

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

Kelly and Ruben just had a baby boy.If they could look at their baby's sex chromosomes,they would see

Phenylketonuria (PKU)is an example of

__________ is one of the few serious inherited disorders caused by a dominant allele.

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?

Results of twin and adoption studies suggest that genetics strongly influence

The behavioral consequences of genetic instructions depend on the environment in which those interactions develop.

When phenotypes are caused by the combined effect of many separate genes,the pattern of inheritance is referred to as

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

__________ twins are to identical twins as __________ twins are to fraternal twins.

One problem with twin studies is that the experiences of identical twins may be more similar than the experiences of fraternal twins,so that heredity appears to have a greater influence.

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

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

The extra 21^st chromosome that is found with Down syndrome usually comes from the father's sperm.

twins are to identical twins as twins are to fraternal twins.