Question 1

Sickle-cell anemia

Accepted Answer

A) occurs in individuals who have one allele for normal blood cells and one allele for sickle-shaped cells. 
B) is not an inherited disorder. 
C) is not a serious health problem because it is easily cured. 
D) is becoming less common in successive generations of African Canadians. 
A) occurs in individuals who have one allele for normal blood cells and one allele for sickle-shaped cells. 
B) is not an inherited disorder. 
C) is not a serious health problem because it is easily cured. 
D) is becoming less common in successive generations of African Canadians.

Question 2

Many behavioural and psychological characteristics follow a(n) ________ pattern of genetic inheritance.

Accepted Answer

A) dominant-recessive 
B) incomplete dominance 
C) sex-linked 
D) polygenic 
A) dominant-recessive 
B) incomplete dominance 
C) sex-linked 
D) polygenic

Question 3

There are no chromosomal disorders consisting solely of ________ chromosomes.

Accepted Answer

A) X 
B) Y 
C) autosomal 
D) sex 
A) X 
B) Y 
C) autosomal 
D) sex

Question 4

Dr.Tutu uses a twin study to determine the influence of heredity on emotionality.If emotionality is influenced by heredity,he will find that the level of emotionality is more similar in

Accepted Answer

A) sibling pairs than in monozygotic twins. 
B) dizygotic twins than in sibling pairs. 
C) dizygotic twins than in monozygotic twins. 
D) monozygotic twins than in dizygotic twins. 
A) sibling pairs than in monozygotic twins. 
B) dizygotic twins than in sibling pairs. 
C) dizygotic twins than in monozygotic twins. 
D) monozygotic twins than in dizygotic twins.

Question 5

Heredity and environment interact dynamically throughout development.

Accepted Answer

A) True 
 B)False

Question 6

Discuss assisted reproductive technology.

Accepted Answer

A good answer will include the following

Question 7

When alleles in a chromosome pair are the same,they are said to be

Accepted Answer

A) recessive. 
B) dominant. 
C) heterozygous. 
D) homozygous. 
A) recessive. 
B) dominant. 
C) heterozygous. 
D) homozygous.

Question 8

When one allele does not dominate another completely,it is a case of

Accepted Answer

A) recessive inheritance. 
B) incomplete dominance. 
C) phenotype. 
D) polygenic inheritance. 
A) recessive inheritance. 
B) incomplete dominance. 
C) phenotype. 
D) polygenic inheritance.

Question 9

Genetic counsellors construct detailed family histories to determine the likelihood that someone is carrying an allele for a particular disorder.

Accepted Answer

A) True 
 B)False

Question 10

The extra 21st chromosome that causes Down syndrome is

Accepted Answer

A) usually provided by the egg. 
B) usually provided by the sperm. 
C) provided by the egg about half the time and by the sperm about half the time. 
D) usually created sometime during prenatal development. 
A) usually provided by the egg. 
B) usually provided by the sperm. 
C) provided by the egg about half the time and by the sperm about half the time. 
D) usually created sometime during prenatal development.

Question 11

Individuals with the sickle-cell allele are more resistant to malaria.

Accepted Answer

A) True 
 B)False

Question 12

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 13

Harold has Klinefelter's syndrome which is caused by a(n) ________ chromosome pattern.

Accepted Answer

A) XYY 
B) XXY 
C) Y 
D) YY 
A) XYY 
B) XXY 
C) Y 
D) YY

Question 14

Traditionally,behaviour geneticists have relied on _____________. )

Accepted Answer

A) reports 
B) hospital records 
C) statistical methods 
D) baby biographies 
A) reports 
B) hospital records 
C) statistical methods 
D) baby biographies

Question 15

The traits controlled by single genes usually represent either-or phenotypes,while traits controlled by many genes typically represent an entire range of different outcomes.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following chromosomal disorders does not involve abnormal sex chromosomes?

Accepted Answer

A) Turner's syndrome 
B) XXX syndrome 
C) Down syndrome 
D) Klinefelter's syndrome 
A) Turner's syndrome 
B) XXX syndrome 
C) Down syndrome 
D) Klinefelter's syndrome

Question 17

________ is an inherited disorder caused by an extra 21st chromosome that results in intellectual disability.

Accepted Answer

A) Phenylketonuria 
B) Huntington's disease 
C) Down syndrome 
D) Turner's syndrome 
A) Phenylketonuria 
B) Huntington's disease 
C) Down syndrome 
D) Turner's syndrome

Question 18

Polygenic inheritance

Accepted Answer

A) reflects the influence of a single gene. 
B) determines "either-or" traits such as eye colour. 
C) cannot be studied because its influence is too broad. 
D) influences behavioural and psychological traits such as intelligence. 
A) reflects the influence of a single gene. 
B) determines "either-or" traits such as eye colour. 
C) cannot be studied because its influence is too broad. 
D) influences behavioural and psychological traits such as intelligence.

Question 19

The path from genes to behaviour is

Accepted Answer

A) one in which genes make particular behaviours more or less likely. 
B) a direct path in which genes directly cause behaviour. 
C) largely known and charted. 
D) not influenced by the environment in which the genetic instructions are carried out. 
A) one in which genes make particular behaviours more or less likely. 
B) a direct path in which genes directly cause behaviour. 
C) largely known and charted. 
D) not influenced by the environment in which the genetic instructions are carried out.

Question 20

The complete set of genes that makes up a person's heredity is called

Accepted Answer

A) an allele. 
B) deoxyribonucleic acid. 
C) a genotype. 
D) a phenotype. 
A) an allele. 
B) deoxyribonucleic acid. 
C) a genotype. 
D) a phenotype.

Sickle-cell anemia

Many behavioural and psychological characteristics follow a(n) ________ pattern of genetic inheritance.

There are no chromosomal disorders consisting solely of ________ chromosomes.

Dr.Tutu uses a twin study to determine the influence of heredity on emotionality.If emotionality is influenced by heredity,he will find that the level of emotionality is more similar in

Heredity and environment interact dynamically throughout development.

Discuss assisted reproductive technology.

When alleles in a chromosome pair are the same,they are said to be

When one allele does not dominate another completely,it is a case of

Genetic counsellors construct detailed family histories to determine the likelihood that someone is carrying an allele for a particular disorder.

The extra 21st chromosome that causes Down syndrome is

Individuals with the sickle-cell allele are more resistant to malaria.

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

Harold has Klinefelter's syndrome which is caused by a(n) ________ chromosome pattern.

Traditionally,behaviour geneticists have relied on _____________. )

The traits controlled by single genes usually represent either-or phenotypes,while traits controlled by many genes typically represent an entire range of different outcomes.

Which of the following chromosomal disorders does not involve abnormal sex chromosomes?

________ is an inherited disorder caused by an extra 21st chromosome that results in intellectual disability.

Polygenic inheritance

The path from genes to behaviour is

The complete set of genes that makes up a person's heredity is called

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

Sickle-cell anemia

Many behavioural and psychological characteristics follow a(n) ________ pattern of genetic inheritance.

There are no chromosomal disorders consisting solely of ________ chromosomes.

Dr.Tutu uses a twin study to determine the influence of heredity on emotionality.If emotionality is influenced by heredity,he will find that the level of emotionality is more similar in

Heredity and environment interact dynamically throughout development.

Discuss assisted reproductive technology.

When alleles in a chromosome pair are the same,they are said to be

When one allele does not dominate another completely,it is a case of

Genetic counsellors construct detailed family histories to determine the likelihood that someone is carrying an allele for a particular disorder.

The extra 21st chromosome that causes Down syndrome is

Individuals with the sickle-cell allele are more resistant to malaria.

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

Harold has Klinefelter's syndrome which is caused by a(n) ________ chromosome pattern.

Traditionally,behaviour geneticists have relied on _____________. )

The traits controlled by single genes usually represent either-or phenotypes,while traits controlled by many genes typically represent an entire range of different outcomes.

Which of the following chromosomal disorders does not involve abnormal sex chromosomes?

________ is an inherited disorder caused by an extra 21st chromosome that results in intellectual disability.

Polygenic inheritance

The path from genes to behaviour is

The complete set of genes that makes up a person's heredity is called

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