Question 1

An individual who is heterozygous for hair colour would have

Accepted Answer

A) two alleles for dark eyes. 
B) one allele for dark hair and one for blond hair. 
C) two alleles for light eyes. 
D) blond hair. 
A) two alleles for dark eyes. 
B) one allele for dark hair and one for blond hair. 
C) two alleles for light eyes. 
D) blond hair.

Question 2

Individuals with Down syndrome show which of the following characteristics?

Accepted Answer

A) intellectual disability 
B) aggression 
C) an extra X chromosome 
D) a lack of sexual development 
A) intellectual disability 
B) aggression 
C) an extra X chromosome 
D) a lack of sexual development

Question 3

Discuss genetic counselling.

Accepted Answer

A good answer will include the following

Question 4

The disorder in which a person's nervous system degenerates during infancy is called

Accepted Answer

A) Tay-Sachs disease. 
B) albinism. 
C) cystic fibrosis. 
D) Huntington's disease. 
A) Tay-Sachs disease. 
B) albinism. 
C) cystic fibrosis. 
D) Huntington's disease.

Question 5

Brendgen et al.'s (2005) study on aggression in twins found that aggression levels in children are influenced by

Accepted Answer

A) heredity only. 
B) environment only. 
C) heredity and environment. 
D) neither heredity nor environment. 
A) heredity only. 
B) environment only. 
C) heredity and environment. 
D) neither heredity nor environment.

Question 6

Twins that come from a single fertilized egg that splits in two are called

Accepted Answer

A) dizygotic twins. 
B) monozygotic twins. 
C) fraternal twins. 
D) homozygous. 
A) dizygotic twins. 
B) monozygotic twins. 
C) fraternal twins. 
D) homozygous.

Question 7

DNA stands for

Accepted Answer

A) deoxyribonucleic acid 
B) double nutrient autosome 
C) dormant neuronal acid 
D) diribosomal nutrient autosome 
A) deoxyribonucleic acid 
B) double nutrient autosome 
C) dormant neuronal acid 
D) diribosomal nutrient autosome

Question 8

A homozygous individual has two alleles that are the same.

Accepted Answer

A) True 
 B)False

Question 9

A genotype is an individual's physical,behavioural,and psychological features.

Accepted Answer

A) True 
 B)False

Question 10

The autosomes determine the sex of the child.

Accepted Answer

A) True 
 B)False

Question 11

Explain what is meant by a reaction range and give an example of how a reaction range might work.

Accepted Answer

A good answer will include the following

Question 12

Each sperm and egg contain 46 chromosomes.

Accepted Answer

A) True 
 B)False

Question 13

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 14

On average,200 to 500 million sperm complete the 15- to 20-centimetre journey to the fallopian tubes after ejaculation.

Accepted Answer

A) True 
 B)False

Question 15

Cystic fibrosis is more common in

Accepted Answer

A) people of African descent 
B) people of European descent 
C) people of Asian descent 
D) people who also have sickle-cell anemia 
A) people of African descent 
B) people of European descent 
C) people of Asian descent 
D) people who also have sickle-cell anemia

Question 16

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 17

In adoption studies

Accepted Answer

A) the results may be biased because biological and adoptive parents may be similar. 
B) adoptive parents are assumed to provide genetic influence. 
C) biological parents are assumed to provide environmental influence. 
D) the greater similarity of adoptees to biological than to adoptive parents on a trait would indicate that the trait is influenced by the environment. 
A) the results may be biased because biological and adoptive parents may be similar. 
B) adoptive parents are assumed to provide genetic influence. 
C) biological parents are assumed to provide environmental influence. 
D) the greater similarity of adoptees to biological than to adoptive parents on a trait would indicate that the trait is influenced by the environment.

Question 18

Heredity-environmental influences at any given point are affected by prior heredity-environmental exchanges.

Accepted Answer

A) True 
 B)False

Question 19

________ 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 20

Who is most likely to have sickle-cell anemia?

Accepted Answer

A) Tad,a European Canadian 
B) Jared,an African Canadian 
C) Miguel,a Native Canadian 
D) Ed,an Asian Canadian 
A) Tad,a European Canadian 
B) Jared,an African Canadian 
C) Miguel,a Native Canadian 
D) Ed,an Asian Canadian

An individual who is heterozygous for hair colour would have

Individuals with Down syndrome show which of the following characteristics?

Discuss genetic counselling.

The disorder in which a person's nervous system degenerates during infancy is called

Brendgen et al.'s (2005) study on aggression in twins found that aggression levels in children are influenced by

Twins that come from a single fertilized egg that splits in two are called

DNA stands for

A homozygous individual has two alleles that are the same.

A genotype is an individual's physical,behavioural,and psychological features.

The autosomes determine the sex of the child.

Explain what is meant by a reaction range and give an example of how a reaction range might work.

Each sperm and egg contain 46 chromosomes.

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

On average,200 to 500 million sperm complete the 15- to 20-centimetre journey to the fallopian tubes after ejaculation.

Cystic fibrosis is more common in

Jackie has sickle-cell anemia,a condition which is

In adoption studies

Heredity-environmental influences at any given point are affected by prior heredity-environmental exchanges.

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

Who is most likely to have sickle-cell anemia?

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Prenatal Development, Birth, and the Newborn

Growth and Health

Perceptual and Motor Development

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Exam 2: Genetic Bases of Child Development

An individual who is heterozygous for hair colour would have

Individuals with Down syndrome show which of the following characteristics?

Discuss genetic counselling.

The disorder in which a person's nervous system degenerates during infancy is called

Brendgen et al.'s (2005) study on aggression in twins found that aggression levels in children are influenced by

Twins that come from a single fertilized egg that splits in two are called

DNA stands for

A homozygous individual has two alleles that are the same.

A genotype is an individual's physical,behavioural,and psychological features.

The autosomes determine the sex of the child.

Explain what is meant by a reaction range and give an example of how a reaction range might work.

Each sperm and egg contain 46 chromosomes.

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

On average,200 to 500 million sperm complete the 15- to 20-centimetre journey to the fallopian tubes after ejaculation.

Cystic fibrosis is more common in

Jackie has sickle-cell anemia,a condition which is

In adoption studies

Heredity-environmental influences at any given point are affected by prior heredity-environmental exchanges.

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

Who is most likely to have sickle-cell anemia?

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