Question 1

During an amniocentesis, a catheter is inserted into the mother's vagina and cervix.

Accepted Answer

A) True 
 B)False

Question 2

Scientists estimate that the average human cell contains about _____ genes.

Accepted Answer

A)  200-250 
B)  20,000-25,000 
C)  200,000-250,000 
D)  2,000,000-250,000,000 
A)  200-250 
B)  20,000-25,000 
C)  200,000-250,000 
D)  2,000,000-250,000,000

Question 3

As the genetic material in two cells pair up just prior to meiosis, parts of the chromosome are exchanged with a second chromosome. This is called

Accepted Answer

A)  karyotyping. 
B)  concordance. 
C)  crossing over. 
D)  cloning. 
A)  karyotyping. 
B)  concordance. 
C)  crossing over. 
D)  cloning.

Question 4

Some traits are more influenced by genetic factors than other traits, as reflected in the correlations between the traits of identical twins raised apart. Which one of the following series of traits is arranged from most to least heritable?

Accepted Answer

A)  Height, brain activity, IQ scores, creativity 
B)  Brain activity, height, creativity, IQ scores 
C)  Brain activity, IQ scores, height, creativity 
D)  Height, creativity, IQ scores, brain activity 
A)  Height, brain activity, IQ scores, creativity 
B)  Brain activity, height, creativity, IQ scores 
C)  Brain activity, IQ scores, height, creativity 
D)  Height, creativity, IQ scores, brain activity

Question 5

Which type of prenatal testing is the LEAST invasive?

Accepted Answer

A)  Maternal blood sampling 
B)  Gene therapy 
C)  Chorionic villus sampling 
D)  Amniocentesis 
A)  Maternal blood sampling 
B)  Gene therapy 
C)  Chorionic villus sampling 
D)  Amniocentesis

Question 6

A human trait is influenced by a single pair of genes, with "T" representing the dominant gene and "t" representing the recessive gene. Joe (genotype Tt) and Meg (genotype Tt) decide to have children. According to the principles of Mendelian heredity, what percentage of their children would exhibit the trait?

Accepted Answer

A)  25 
B)  50 
C)  75 
D)  100 
A)  25 
B)  50 
C)  75 
D)  100

Question 7

Research from behavioral geneticists has found that as we get older, genetic influences on intelligence are _____ in importance, shared influences are ______ in importance, and nonshared environmental influences are _____ in importance.

Accepted Answer

A)  decreasing; decreasing; increasing 
B)  decreasing; increasing; decreasing 
C)  increasing; increasing; decreasing 
D)  increasing; decreasing; increasing 
A)  decreasing; decreasing; increasing 
B)  decreasing; increasing; decreasing 
C)  increasing; increasing; decreasing 
D)  increasing; decreasing; increasing

Question 8

Baby Gerber smiles and coos so often and is so delightful that his parents feel compelled to smile and chatter right back at him. Which sort of genetic environmental does this best illustrate?

Accepted Answer

A)  Active genotype-environment 
B)  Evocative genotype-environment 
C)  Passive genotype-environment 
D)  Negative genotype-environment 
A)  Active genotype-environment 
B)  Evocative genotype-environment 
C)  Passive genotype-environment 
D)  Negative genotype-environment

Question 9

Fraternal twins are no more alike genetically than brothers and sisters born at different times.

Accepted Answer

A) True 
 B)False

Question 10

If blonde hair is dominant and designated as "B" and brunette hair is recessive and designated as "b," probability would predict that if a couple each with a "Bb" hair color genotype had four children, _____ would have blonde hair.

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
A)  one 
B)  two 
C)  three 
D)  four

Question 11

A sperm cell and an ovum each contribute 23, rather than 46, chromosomes to a zygote because they

Accepted Answer

A)  were produced through the process of meiosis. 
B)  were produced through the process of mitosis. 
C)  have undergone the process of crossing over. 
D)  have undergone the process of canalization. 
A)  were produced through the process of meiosis. 
B)  were produced through the process of mitosis. 
C)  have undergone the process of crossing over. 
D)  have undergone the process of canalization.

Question 12

The typical outcome of a female reproductive cell that has undergone meiosis is

Accepted Answer

A)  one egg and three nonfunctional cells. 
B)  two eggs and two nonfunctional cells. 
C)  three eggs and one nonfunctional cell. 
D)  four eggs. 
A)  one egg and three nonfunctional cells. 
B)  two eggs and two nonfunctional cells. 
C)  three eggs and one nonfunctional cell. 
D)  four eggs.

Question 13

A high concordance rate between identical twins for schizophrenia would suggest that the disorder

Accepted Answer

A)  has a genetic basis. 
B)  is a life choice. 
C)  results from childhood experiences. 
D)  cannot be accurately studied. 
A)  has a genetic basis. 
B)  is a life choice. 
C)  results from childhood experiences. 
D)  cannot be accurately studied.

Question 14

Due to the nature of chromosomes, the odds of a couple producing two children with identical genes is a minimum of 1 in

Accepted Answer

A)  640. 
B)  64,000. 
C)  64,000,000. 
D)  64,000,000,000. 
A)  640. 
B)  64,000. 
C)  64,000,000. 
D)  64,000,000,000.

Question 15

Tongue-curling is a(n) _____ trait.

Accepted Answer

A)  recessive 
B)  polygenetic 
C)  dominant 
D)  incomplete dominance 
A)  recessive 
B)  polygenetic 
C)  dominant 
D)  incomplete dominance

Question 16

The activation of particular genes in particular cells of the body at particular times is called

Accepted Answer

A)  genotyping. 
B)  gene expression. 
C)  phenotypical expression. 
D)  phenotyping. 
A)  genotyping. 
B)  gene expression. 
C)  phenotypical expression. 
D)  phenotyping.

Question 17

How would you design a study to determine the contributions of genes, shared environment, and nonshared environment on alcoholism?

Accepted Answer

To design a study to determine the contr

Question 18

Mitosis is to meiosis as

Accepted Answer

A)  egg is to sperm. 
B)  doubling is to halving. 
C)  chromosomes are to genes. 
D)  sex cell is to normal cell. 
A)  egg is to sperm. 
B)  doubling is to halving. 
C)  chromosomes are to genes. 
D)  sex cell is to normal cell.

Question 19

Which one of the following sets of data would show a strong genetic influence on the development of a trait?

Accepted Answer

A)  Identical twins raised together score more similarly to one another than identical twins raised apart. 
B)  Fraternal twins raised apart score as similarly to one another as do biological siblings who are raised together. 
C)  Identical twins raised apart score more similarly to one another than fraternal twins raised together. 
D)  Fraternal twins raised together score more similarly to one another than fraternal twins raised apart. 
A)  Identical twins raised together score more similarly to one another than identical twins raised apart. 
B)  Fraternal twins raised apart score as similarly to one another as do biological siblings who are raised together. 
C)  Identical twins raised apart score more similarly to one another than fraternal twins raised together. 
D)  Fraternal twins raised together score more similarly to one another than fraternal twins raised apart.

Question 20

Experiences unique to an individual and not experienced by other family members are referred to as

Accepted Answer

A)  shared environmental experience. 
B)  genetic effect. 
C)  nonshared environmental experience. 
D)  crossing over effect. 
A)  shared environmental experience. 
B)  genetic effect. 
C)  nonshared environmental experience. 
D)  crossing over effect.

During an amniocentesis, a catheter is inserted into the mother's vagina and cervix.

Scientists estimate that the average human cell contains about _____ genes.

As the genetic material in two cells pair up just prior to meiosis, parts of the chromosome are exchanged with a second chromosome. This is called

Some traits are more influenced by genetic factors than other traits, as reflected in the correlations between the traits of identical twins raised apart. Which one of the following series of traits is arranged from most to least heritable?

Which type of prenatal testing is the LEAST invasive?

Research from behavioral geneticists has found that as we get older, genetic influences on intelligence are _ in importance, shared influences are in importance, and nonshared environmental influences are ___ in importance.

Baby Gerber smiles and coos so often and is so delightful that his parents feel compelled to smile and chatter right back at him. Which sort of genetic environmental does this best illustrate?

Fraternal twins are no more alike genetically than brothers and sisters born at different times.

If blonde hair is dominant and designated as "B" and brunette hair is recessive and designated as "b," probability would predict that if a couple each with a "Bb" hair color genotype had four children, _____ would have blonde hair.

A sperm cell and an ovum each contribute 23, rather than 46, chromosomes to a zygote because they

The typical outcome of a female reproductive cell that has undergone meiosis is

A high concordance rate between identical twins for schizophrenia would suggest that the disorder

Due to the nature of chromosomes, the odds of a couple producing two children with identical genes is a minimum of 1 in

Tongue-curling is a(n) _____ trait.

The activation of particular genes in particular cells of the body at particular times is called

How would you design a study to determine the contributions of genes, shared environment, and nonshared environment on alcoholism?

Mitosis is to meiosis as

Which one of the following sets of data would show a strong genetic influence on the development of a trait?

Experiences unique to an individual and not experienced by other family members are referred to as

Understanding Life-Span Human Development

Theories of Human Development

Prenatal Development and Birth

Body, Brain, Health

Sensation, Perception, and Action

Cognition

Memory and Information Processing

Intelligence and Creativity

Language and Education

Self and Personality

Gender Roles and Sexuality

Social Cognition and Moral Development

Emotions, Attachment, and Social Relationships

The Family

Developmental Psychopathology

The Final Challenge: Death and Dying

Filters

Exam 3: Genes, Environment, and Development

During an amniocentesis, a catheter is inserted into the mother's vagina and cervix.

Scientists estimate that the average human cell contains about _____ genes.

As the genetic material in two cells pair up just prior to meiosis, parts of the chromosome are exchanged with a second chromosome. This is called

Some traits are more influenced by genetic factors than other traits, as reflected in the correlations between the traits of identical twins raised apart. Which one of the following series of traits is arranged from most to least heritable?

Which type of prenatal testing is the LEAST invasive?

Research from behavioral geneticists has found that as we get older, genetic influences on intelligence are _____ in importance, shared influences are ______ in importance, and nonshared environmental influences are _____ in importance.

Baby Gerber smiles and coos so often and is so delightful that his parents feel compelled to smile and chatter right back at him. Which sort of genetic environmental does this best illustrate?

Fraternal twins are no more alike genetically than brothers and sisters born at different times.

If blonde hair is dominant and designated as "B" and brunette hair is recessive and designated as "b," probability would predict that if a couple each with a "Bb" hair color genotype had four children, _____ would have blonde hair.

A sperm cell and an ovum each contribute 23, rather than 46, chromosomes to a zygote because they

The typical outcome of a female reproductive cell that has undergone meiosis is

A high concordance rate between identical twins for schizophrenia would suggest that the disorder

Due to the nature of chromosomes, the odds of a couple producing two children with identical genes is a minimum of 1 in

Tongue-curling is a(n) _____ trait.

The activation of particular genes in particular cells of the body at particular times is called

How would you design a study to determine the contributions of genes, shared environment, and nonshared environment on alcoholism?

Mitosis is to meiosis as

Which one of the following sets of data would show a strong genetic influence on the development of a trait?

Experiences unique to an individual and not experienced by other family members are referred to as

Understanding Life-Span Human Development

Theories of Human Development

Prenatal Development and Birth

Body, Brain, Health

Sensation, Perception, and Action

Cognition

Memory and Information Processing

Intelligence and Creativity

Language and Education

Self and Personality

Gender Roles and Sexuality

Social Cognition and Moral Development

Emotions, Attachment, and Social Relationships

The Family

Developmental Psychopathology

The Final Challenge: Death and Dying

Filters

Research from behavioral geneticists has found that as we get older, genetic influences on intelligence are _ in importance, shared influences are in importance, and nonshared environmental influences are ___ in importance.