Question 1

An example of niche-picking is

Accepted Answer

A) parents enrolling their active child in many structured,sedentary activities in hopes that he will calm down. 
B) parents enrolling their active child in many athletic activities in hopes that he will burn off some steam. 
C) an active child choosing to participate in many athletic events. 
D) an uncoordinated child choosing to participate in athletic events in hopes of becoming more coordinated. 
A) parents enrolling their active child in many structured,sedentary activities in hopes that he will calm down. 
B) parents enrolling their active child in many athletic activities in hopes that he will burn off some steam. 
C) an active child choosing to participate in many athletic events. 
D) an uncoordinated child choosing to participate in athletic events in hopes of becoming more coordinated.

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

Experiences determine which phenotypes emerge,and genotypes influence the nature of experiences.

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Jerome is learning about common disorders associated with sex chromosomes in his developmental psychology course.He learns about one disorder that affects females only and at a rate of 1 in 2500 to 5000 births.Which disorder is Jerome learning about?

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 6

Scores on a measure of aggressive play with peers were less strongly correlated for monozygotic twins than for dizygotic twins.

Accepted Answer

A) True 
 B)False

Question 7

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 8

Perry was born with phenylketonuria (PKU) which means that

Accepted Answer

A) she has an intellectual disability and has an extra 21st chromosome. 
B) phenylalanine can accumulate and poison her nervous system. 
C) she will develop normally until middle adulthood,at which time her nervous system will begin to deteriorate. 
D) she has a missing chromosome and will have a severe intellectual disability. 
A) she has an intellectual disability and has an extra 21st chromosome. 
B) phenylalanine can accumulate and poison her nervous system. 
C) she will develop normally until middle adulthood,at which time her nervous system will begin to deteriorate. 
D) she has a missing chromosome and will have a severe intellectual disability.

Question 9

In incomplete dominance,the phenotype that results often falls between the phenotype associated with the other allele.One allele does not dominate another completely.

Accepted Answer

A) True 
 B)False

Question 10

Intelligence is

Accepted Answer

A) determined by a single gene. 
B) a polygenic trait. 
C) determined by the sex chromosomes. 
D) not influenced by genetic factors. 
A) determined by a single gene. 
B) a polygenic trait. 
C) determined by the sex chromosomes. 
D) not influenced by genetic factors.

Question 11

Compare the term genotype with the term phenotype.

Accepted Answer

A good answer will include the following

Question 12

Individuals with an allele for sickle-cell anemia are

Accepted Answer

A) more resistant to malaria. 
B) likely to be of Asian Canadian heritage. 
C) becoming more common in recent years in Canada. 
D) infertile,thus unable to pass the gene on to offspring. 
A) more resistant to malaria. 
B) likely to be of Asian Canadian heritage. 
C) becoming more common in recent years in Canada. 
D) infertile,thus unable to pass the gene on to offspring.

Question 13

Genetic counselling typically involves

Accepted Answer

A) obtaining a detailed family history and performing tests to help couples with concerns about inherited disorders. 
B) informing parents-to-be about how they can have a more intelligent child. 
C) the government in making decisions for private citizens. 
D) helping couples with fertility problems. 
A) obtaining a detailed family history and performing tests to help couples with concerns about inherited disorders. 
B) informing parents-to-be about how they can have a more intelligent child. 
C) the government in making decisions for private citizens. 
D) helping couples with fertility problems.

Question 14

Huntington's disease

Accepted Answer

A) is caused by two recessive alleles. 
B) can lead to depression and changes in personality. 
C) is apparent in young babies. 
D) usually is not fatal. 
A) is caused by two recessive alleles. 
B) can lead to depression and changes in personality. 
C) is apparent in young babies. 
D) usually is not fatal.

Question 15

Your professor mentions in a lecture that activity level follows a polygenic pattern of inheritance.You,having already read Chapter 2 in your textbook,realize this means that

Accepted Answer

A) activity level is a recessive trait. 
B) a single gene determines activity level. 
C) there is no evidence of a genetic influence on activity level. 
D) activity level is determined by the combination of many genes. 
A) activity level is a recessive trait. 
B) a single gene determines activity level. 
C) there is no evidence of a genetic influence on activity level. 
D) activity level is determined by the combination of many genes.

Question 16

About 50 percent of the differences in children's scores on intelligence tests are due to heredity.

Accepted Answer

A) True 
 B)False

Question 17

About 80 percent of in vitro fertilization attempts succeed.

Accepted Answer

A) True 
 B)False

Question 18

Debbie and Paul are thinking about starting a family,but are a little hesitant because there is a history of phenylketonuria in Debbie's family.What should Debbie and Paul do?

Accepted Answer

A) They should adopt a child if they want children.Anyone with a history of inherited disease in their family should not have children. 
B) They should go ahead and try to start a family.If Debbie is a carrier of the disease,she is unlikely to be able to get pregnant. 
C) They should go ahead and start trying.Phenylketonuria is not an inherited disease. 
D) They should go to genetic counselling to determine what the odds are that they will pass on the disease. 
A) They should adopt a child if they want children.Anyone with a history of inherited disease in their family should not have children. 
B) They should go ahead and try to start a family.If Debbie is a carrier of the disease,she is unlikely to be able to get pregnant. 
C) They should go ahead and start trying.Phenylketonuria is not an inherited disease. 
D) They should go to genetic counselling to determine what the odds are that they will pass on the disease.

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

The first 22 pairs of chromosomes

Accepted Answer

A) contain either X or Y chromosomes. 
B) determine the sex of the individual. 
C) are called autosomes. 
D) do not vary in size. 
A) contain either X or Y chromosomes. 
B) determine the sex of the individual. 
C) are called autosomes. 
D) do not vary in size.

An example of niche-picking is

Huntington's disease is associated with

Experiences determine which phenotypes emerge,and genotypes influence the nature of experiences.

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

Jerome is learning about common disorders associated with sex chromosomes in his developmental psychology course.He learns about one disorder that affects females only and at a rate of 1 in 2500 to 5000 births.Which disorder is Jerome learning about?

Scores on a measure of aggressive play with peers were less strongly correlated for monozygotic twins than for dizygotic twins.

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

Perry was born with phenylketonuria (PKU) which means that

In incomplete dominance,the phenotype that results often falls between the phenotype associated with the other allele.One allele does not dominate another completely.

Intelligence is

Compare the term genotype with the term phenotype.

Individuals with an allele for sickle-cell anemia are

Genetic counselling typically involves

Huntington's disease

Your professor mentions in a lecture that activity level follows a polygenic pattern of inheritance.You,having already read Chapter 2 in your textbook,realize this means that

About 50 percent of the differences in children's scores on intelligence tests are due to heredity.

About 80 percent of in vitro fertilization attempts succeed.

Debbie and Paul are thinking about starting a family,but are a little hesitant because there is a history of phenylketonuria in Debbie's family.What should Debbie and Paul do?

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

The first 22 pairs of chromosomes

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 Behaviour

Gender and Development

Social Influences

Filters

Exam 2: Genetic Bases of Child Development

An example of niche-picking is

Huntington's disease is associated with

Experiences determine which phenotypes emerge,and genotypes influence the nature of experiences.

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

Jerome is learning about common disorders associated with sex chromosomes in his developmental psychology course.He learns about one disorder that affects females only and at a rate of 1 in 2500 to 5000 births.Which disorder is Jerome learning about?

Scores on a measure of aggressive play with peers were less strongly correlated for monozygotic twins than for dizygotic twins.

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

Perry was born with phenylketonuria (PKU) which means that

In incomplete dominance,the phenotype that results often falls between the phenotype associated with the other allele.One allele does not dominate another completely.

Intelligence is

Compare the term genotype with the term phenotype.

Individuals with an allele for sickle-cell anemia are

Genetic counselling typically involves

Huntington's disease

Your professor mentions in a lecture that activity level follows a polygenic pattern of inheritance.You,having already read Chapter 2 in your textbook,realize this means that

About 50 percent of the differences in children's scores on intelligence tests are due to heredity.

About 80 percent of in vitro fertilization attempts succeed.

Debbie and Paul are thinking about starting a family,but are a little hesitant because there is a history of phenylketonuria in Debbie's family.What should Debbie and Paul do?

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

The first 22 pairs of chromosomes

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 Behaviour

Gender and Development

Social Influences

Filters