Question 1

Claudia has cystic fibrosis,a genetic disease that has been traced to a recessive gene.Claudia inherited the disorder from

Accepted Answer

A)  either parent. 
B)  both parents. 
C)  one parent with the recessive allele. 
D)  at least one parent. 
A)  either parent. 
B)  both parents. 
C)  one parent with the recessive allele. 
D)  at least one parent.

Question 2

Behavior geneticists study the influence of genotype on human behavior by

Accepted Answer

A)  examining karyotypes of unrelated individuals. 
B)  conducting gene replacement experiments. 
C)  studying similarities among family members. 
D)  conducting selective-breeding experiments. 
A)  examining karyotypes of unrelated individuals. 
B)  conducting gene replacement experiments. 
C)  studying similarities among family members. 
D)  conducting selective-breeding experiments.

Question 3

Who are Gregor Mendel,James Watson,and Francis Crick and what are their contributions to developmental science? Why is their work so important?

Accepted Answer

Answers will vary,but should include a d

Question 4

Human beings have twenty-three ________ pairs of chromosomes.

Accepted Answer

A)  homogeneous 
B)  heterogeneous 
C)  homologous 
D)  heterologous 
A)  homogeneous 
B)  heterogeneous 
C)  homologous 
D)  heterologous

Question 5

Tomas has Prader-Willi syndrome,a consequence of a lack of inheritance of a particular gene or set of genes from his father.This is an example of

Accepted Answer

A)  allelic imprinting. 
B)  genomic imprinting. 
C)  genomic partiality. 
D)  allelic partiality. 
A)  allelic imprinting. 
B)  genomic imprinting. 
C)  genomic partiality. 
D)  allelic partiality.

Question 6

Identical twins may resemble each other more than fraternal twins because they share the same

Accepted Answer

A)  genotype. 
B)  phenotype. 
C)  chorion. 
D)  placenta. 
A)  genotype. 
B)  phenotype. 
C)  chorion. 
D)  placenta.

Question 7

Tristan has inherited a gene for Type A blood from his mother and a gene for Type B blood from his father.Tristan's blood type is AB,which is an example of

Accepted Answer

A)  unbalanced alleles. 
B)  balanced alleles. 
C)  crossing over. 
D)  codominance. 
A)  unbalanced alleles. 
B)  balanced alleles. 
C)  crossing over. 
D)  codominance.

Question 8

The characteristics of a(n)________ allele are usually not reflected in a person's phenotype unless that person is homozygous for that trait.

Accepted Answer

A)  dominant 
B)  recessive 
C)  alternate 
D)  enzymatic 
A)  dominant 
B)  recessive 
C)  alternate 
D)  enzymatic

Question 9

Which of the following is not a true statement about mutations?

Accepted Answer

A)  Mutations have not been linked to any diseases observed in individuals under twenty-five years of age. 
B)  Most mutations are lethal and result in the loss of the zygote through spontaneous abortion. 
C)  Some mutations occur spontaneously and are harmless. 
D)  Mutations introduce genetic diversity among individuals. 
A)  Mutations have not been linked to any diseases observed in individuals under twenty-five years of age. 
B)  Most mutations are lethal and result in the loss of the zygote through spontaneous abortion. 
C)  Some mutations occur spontaneously and are harmless. 
D)  Mutations introduce genetic diversity among individuals.

Question 10

The leading cause of mental retardation in males is ________,a disorder caused by a pinched region on the X chromosome.

Accepted Answer

A)  Turner syndrome 
B)  fragile X syndrome 
C)  Klinefelter syndrome 
D)  recessive Y syndrome 
A)  Turner syndrome 
B)  fragile X syndrome 
C)  Klinefelter syndrome 
D)  recessive Y syndrome

Question 11

In ________,blood is drawn directly from the umbilical cord of the fetus for biochemical and chromosomal examination.

Accepted Answer

A)  amniocentesis 
B)  chorionic villus sampling 
C)  fetal blood sampling 
D)  alpha fetoprotein testing 
A)  amniocentesis 
B)  chorionic villus sampling 
C)  fetal blood sampling 
D)  alpha fetoprotein testing

Question 12

________ is the method of using sound-wave reflections to obtain a picture of the developing fetus that can be used to estimate the gestational age and detect physical abnormalities.

Accepted Answer

A)  Amniocentesis 
B)  Ultrasonography 
C)  Fetal blood sampling 
D)  Chorionic villus sampling 
A)  Amniocentesis 
B)  Ultrasonography 
C)  Fetal blood sampling 
D)  Chorionic villus sampling

Question 13

What are concordance rates and how are they used to estimate the degree of resemblance among family members?

Accepted Answer

Concordance rate is the percentage of pa

Question 14

The long,threadlike structures that are located in the nucleus of each cell in the body are called

Accepted Answer

A)  genomes. 
B)  chromosomes. 
C)  RNA. 
D)  spirals. 
A)  genomes. 
B)  chromosomes. 
C)  RNA. 
D)  spirals.

Question 15

The percentage of pairs of twins in which both members have a specific trait identified in one twin is called the

Accepted Answer

A)  homologous factor. 
B)  homogenous factor. 
C)  correspondence rate. 
D)  concordance rate. 
A)  homologous factor. 
B)  homogenous factor. 
C)  correspondence rate. 
D)  concordance rate.

Question 16

Chris and Danny are raised together but not related.Their temperaments and personalities share very little in common.This is an example of the fact that shared environment does not have much effect for many aspects of personality.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following could be considered an explanation of the adaptive value of sickle cell trait?

Accepted Answer

A)  Resistance to malaria 
B)  Energy conservation 
C)  Lowering body temperature 
D)  Normal hemoglobin metabolism 
A)  Resistance to malaria 
B)  Energy conservation 
C)  Lowering body temperature 
D)  Normal hemoglobin metabolism

Question 18

Williams syndrome has drawn the attention of psychologists due to

Accepted Answer

A)  the complexity of the mutation. 
B)  an uneven profile of strengths and weaknesses. 
C)  increasing rate of diagnosis in recent years. 
D)  extreme social inhibitions exhibited. 
A)  the complexity of the mutation. 
B)  an uneven profile of strengths and weaknesses. 
C)  increasing rate of diagnosis in recent years. 
D)  extreme social inhibitions exhibited.

Question 19

How does the concept of range of reaction conceptualize the interaction between genotype and environment?

Accepted Answer

Range of reaction conceptualiz

Question 20

Nucleotides contain one of four nitrogen-based molecules: adenine,thymine,cytosine,and guanine.

Accepted Answer

A) True 
 B)False

Claudia has cystic fibrosis,a genetic disease that has been traced to a recessive gene.Claudia inherited the disorder from

Behavior geneticists study the influence of genotype on human behavior by

Who are Gregor Mendel,James Watson,and Francis Crick and what are their contributions to developmental science? Why is their work so important?

Human beings have twenty-three ________ pairs of chromosomes.

Tomas has Prader-Willi syndrome,a consequence of a lack of inheritance of a particular gene or set of genes from his father.This is an example of

Identical twins may resemble each other more than fraternal twins because they share the same

Tristan has inherited a gene for Type A blood from his mother and a gene for Type B blood from his father.Tristan's blood type is AB,which is an example of

The characteristics of a(n)________ allele are usually not reflected in a person's phenotype unless that person is homozygous for that trait.

Which of the following is not a true statement about mutations?

The leading cause of mental retardation in males is ________,a disorder caused by a pinched region on the X chromosome.

In ________,blood is drawn directly from the umbilical cord of the fetus for biochemical and chromosomal examination.

________ is the method of using sound-wave reflections to obtain a picture of the developing fetus that can be used to estimate the gestational age and detect physical abnormalities.

What are concordance rates and how are they used to estimate the degree of resemblance among family members?

The long,threadlike structures that are located in the nucleus of each cell in the body are called

The percentage of pairs of twins in which both members have a specific trait identified in one twin is called the

Chris and Danny are raised together but not related.Their temperaments and personalities share very little in common.This is an example of the fact that shared environment does not have much effect for many aspects of personality.

Which of the following could be considered an explanation of the adaptive value of sickle cell trait?

Williams syndrome has drawn the attention of psychologists due to

How does the concept of range of reaction conceptualize the interaction between genotype and environment?

Nucleotides contain one of four nitrogen-based molecules: adenine,thymine,cytosine,and guanine.

Themes and Theories

Studying Child Development

The Prenatal Period and Birth

Brain, Motor Skill, and Physical Development

Basic Learning and Perception

Language

Cognition

Social Cognition

Achievement

Emotion

Self and Values

Gender

The Family

Peers

Beyond Family and Peers

Filters

Exam 3: Genetics and Heredity

Claudia has cystic fibrosis,a genetic disease that has been traced to a recessive gene.Claudia inherited the disorder from

Behavior geneticists study the influence of genotype on human behavior by

Who are Gregor Mendel,James Watson,and Francis Crick and what are their contributions to developmental science? Why is their work so important?

Human beings have twenty-three ________ pairs of chromosomes.

Tomas has Prader-Willi syndrome,a consequence of a lack of inheritance of a particular gene or set of genes from his father.This is an example of

Identical twins may resemble each other more than fraternal twins because they share the same

Tristan has inherited a gene for Type A blood from his mother and a gene for Type B blood from his father.Tristan's blood type is AB,which is an example of

The characteristics of a(n)________ allele are usually not reflected in a person's phenotype unless that person is homozygous for that trait.

Which of the following is not a true statement about mutations?

The leading cause of mental retardation in males is ________,a disorder caused by a pinched region on the X chromosome.

In ________,blood is drawn directly from the umbilical cord of the fetus for biochemical and chromosomal examination.

________ is the method of using sound-wave reflections to obtain a picture of the developing fetus that can be used to estimate the gestational age and detect physical abnormalities.

What are concordance rates and how are they used to estimate the degree of resemblance among family members?

The long,threadlike structures that are located in the nucleus of each cell in the body are called

The percentage of pairs of twins in which both members have a specific trait identified in one twin is called the

Chris and Danny are raised together but not related.Their temperaments and personalities share very little in common.This is an example of the fact that shared environment does not have much effect for many aspects of personality.

Which of the following could be considered an explanation of the adaptive value of sickle cell trait?

Williams syndrome has drawn the attention of psychologists due to

How does the concept of range of reaction conceptualize the interaction between genotype and environment?

Nucleotides contain one of four nitrogen-based molecules: adenine,thymine,cytosine,and guanine.

Themes and Theories

Studying Child Development

The Prenatal Period and Birth

Brain, Motor Skill, and Physical Development

Basic Learning and Perception

Language

Cognition

Social Cognition

Achievement

Emotion

Self and Values

Gender

The Family

Peers

Beyond Family and Peers

Filters