Question 1

The probability of having a child with Down's syndrome increases with the age of the parents.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following happens during mitosis?

Accepted Answer

A)  Strands of deoxyribonucleic acid (DN
A)  break apart. 
B)  Adenine combines with its appropriate partner, cytosine. 
C)  Sperm and ova cells are created. 
D)  23 chromosomes are created. 
A)  Strands of deoxyribonucleic acid (DN
A)  break apart. 
B)  Adenine combines with its appropriate partner, cytosine. 
C)  Sperm and ova cells are created. 
D)  23 chromosomes are created.

Question 3

Which of the following is true of Down's syndrome?​

Accepted Answer

A)  It is usually caused by a defect in the sex chromosomes of an individual. 
B)  The symptoms of Down's syndrome are similar to those of sickle-cell anemia. 
C)  It is caused by a sexually transmitted infection (STI) during conception. 
D)  The probability of having a child with Down's syndrome increases with the age of the parents. 
A)  It is usually caused by a defect in the sex chromosomes of an individual. 
B)  The symptoms of Down's syndrome are similar to those of sickle-cell anemia. 
C)  It is caused by a sexually transmitted infection (STI) during conception. 
D)  The probability of having a child with Down's syndrome increases with the age of the parents.

Question 4

Color blindness is a sex-linked abnormality.

Accepted Answer

A) True 
 B)False

Question 5

According to a study in 2014 by Skakkebaek et al., who among the following is most likely to have gynecomastia?​

Accepted Answer

A)  Jennifer, a dancer, who has Down's syndrome 
B)  Frank, a teacher, who is diagnosed with XYY syndrome 
C)  Peter, a fashion designer, who has Klinefelter syndrome 
D)  Ria, a gym instructor, who is diagnosed with Turner syndrome 
A)  Jennifer, a dancer, who has Down's syndrome 
B)  Frank, a teacher, who is diagnosed with XYY syndrome 
C)  Peter, a fashion designer, who has Klinefelter syndrome 
D)  Ria, a gym instructor, who is diagnosed with Turner syndrome

Question 6

Genotypes reflect both genetic and environmental influences.

Accepted Answer

A) True 
 B)False

Question 7

Rico is a man who has enlarged breasts and suffers from mild mental retardation. He has a problem learning languages, and his body produces less of the male sex hormone testosterone than normal males. Rico is most likely suffering from:

Accepted Answer

A)  Klinefelter syndrome. 
B)  Tay-Sachs disease. 
C)  Turner syndrome. 
D)  Down's syndrome. 
A)  Klinefelter syndrome. 
B)  Tay-Sachs disease. 
C)  Turner syndrome. 
D)  Down's syndrome.

Question 8

Amniocentesis is a procedure used in abortion.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is a characteristic of supermales?​

Accepted Answer

A)  They are somewhat taller than average. 
B)  Their facial hair growth is minimal when compared to XXX males. 
C)  They suffer from gynecomastia. 
D)  They are typically impotent. 
A)  They are somewhat taller than average. 
B)  Their facial hair growth is minimal when compared to XXX males. 
C)  They suffer from gynecomastia. 
D)  They are typically impotent.

Question 10

Monozygotic (MZ) twins are known as fraternal twins.

Accepted Answer

A) True 
 B)False

Question 11

When both of the alleles for a trait, such as hair color, are the same, the person is said to be _____ for that trait.

Accepted Answer

A)  monozygotic 
B)  dizygotic 
C)  homozygous 
D)  hemizygous 
A)  monozygotic 
B)  dizygotic 
C)  homozygous 
D)  hemizygous

Question 12

If an individual gets a recessive allele for eye color from both parents, the:​

Accepted Answer

A)  gender of the child will determine if that trait is shown. 
B)  recessive trait will develop in the child. 
C)  recessive trait will develop 50% of the time. 
D)  recessive trait will be suppressed and the dominant trait will be expressed. 
A)  gender of the child will determine if that trait is shown. 
B)  recessive trait will develop in the child. 
C)  recessive trait will develop 50% of the time. 
D)  recessive trait will be suppressed and the dominant trait will be expressed.

Question 13

Duchenne muscular dystrophy is a sex-linked abnormality.

Accepted Answer

A) True 
 B)False

Question 14

According to a study in 2013 by van Gameren-Oosterom, individuals with Down's syndrome:

Accepted Answer

A)  are unlikely to die from cardiovascular problems by middle age. 
B)  have no specific characteristic features. 
C)  show deficits in cognitive development. 
D)  are likely to have only 46 chromosomes. 
A)  are unlikely to die from cardiovascular problems by middle age. 
B)  have no specific characteristic features. 
C)  show deficits in cognitive development. 
D)  are likely to have only 46 chromosomes.

Question 15

How does the amniotic sac protect the embryo and fetus?

Accepted Answer

​The embryo and fetus develop within a p

Question 16

As women reach the end of their childbearing years, ovulation becomes more regular.

Accepted Answer

A) True 
 B)False

Question 17

According to a study in the year 2013 by Fellman, which of the following is true of fertility drugs?

Accepted Answer

A)  They enhance the chances of multiple births. 
B)  They stop ova from ripening. 
C)  They should be taken orally and not injected. 
D)  They suppress the hormone-secretion process. 
A)  They enhance the chances of multiple births. 
B)  They stop ova from ripening. 
C)  They should be taken orally and not injected. 
D)  They suppress the hormone-secretion process.

Question 18

Each member of a pair of genes is termed a(n) _____.

Accepted Answer

A)  allele 
B)  zygote 
C)  autosome 
D)  node 
A)  allele 
B)  zygote 
C)  autosome 
D)  node

Question 19

Who among the following share 100% of their genes?​

Accepted Answer

A)  Biovular twins 
B)  Fraternal twins 
C)  Dizygotic (DZ) twins 
D)  Monozygotic (MZ) twins 
A)  Biovular twins 
B)  Fraternal twins 
C)  Dizygotic (DZ) twins 
D)  Monozygotic (MZ) twins

Question 20

Which of the following is true of a sperm cell?

Accepted Answer

A)  It is significantly larger than an egg cell. 
B)  It contains two Y chromosomes. 
C)  It travels randomly inside a woman's reproductive tract. 
D)  It is one of the smallest types of cells in the body. 
A)  It is significantly larger than an egg cell. 
B)  It contains two Y chromosomes. 
C)  It travels randomly inside a woman's reproductive tract. 
D)  It is one of the smallest types of cells in the body.

The probability of having a child with Down's syndrome increases with the age of the parents.

Which of the following happens during mitosis?

Which of the following is true of Down's syndrome?

Color blindness is a sex-linked abnormality.

According to a study in 2014 by Skakkebaek et al., who among the following is most likely to have gynecomastia?

Genotypes reflect both genetic and environmental influences.

Rico is a man who has enlarged breasts and suffers from mild mental retardation. He has a problem learning languages, and his body produces less of the male sex hormone testosterone than normal males. Rico is most likely suffering from:

Amniocentesis is a procedure used in abortion.

Which of the following is a characteristic of supermales?

Monozygotic (MZ) twins are known as fraternal twins.

When both of the alleles for a trait, such as hair color, are the same, the person is said to be _____ for that trait.

If an individual gets a recessive allele for eye color from both parents, the:

Duchenne muscular dystrophy is a sex-linked abnormality.

According to a study in 2013 by van Gameren-Oosterom, individuals with Down's syndrome:

How does the amniotic sac protect the embryo and fetus?

As women reach the end of their childbearing years, ovulation becomes more regular.

According to a study in the year 2013 by Fellman, which of the following is true of fertility drugs?

Each member of a pair of genes is termed a(n) _____.

Who among the following share 100% of their genes?

Which of the following is true of a sperm cell?

History, Theories, and Methods

Birth and the Newborn Baby: In the New World

Infancy: Physical Development

Infancy: Cognitive Development

Infancy: Social and Emotional Development

Early Childhood: Physical and Cognitive Development

Early Childhood: Social and Emotional Development

Middle Childhood: Physical and Cognitive Development

Middle Childhood: Social and Emotional Development

Adolescence: Physical and Cognitive Development

Adolescence: Social and Emotional Development

Early Adulthood: Physical and Cognitive Development

Early Adulthood: Social and Emotional Development

Middle Adulthood: Physical and Cognitive Development

Middle Adulthood: Social and Emotional Development

Late Adulthood: Physical and Cognitive Development

Late Adulthood: Social and Emotional Development

Lifes

Filters

Exam 2: Heredity and Prenatal Development

The probability of having a child with Down's syndrome increases with the age of the parents.

Which of the following happens during mitosis?

Which of the following is true of Down's syndrome?​

Color blindness is a sex-linked abnormality.

According to a study in 2014 by Skakkebaek et al., who among the following is most likely to have gynecomastia?​

Genotypes reflect both genetic and environmental influences.

Rico is a man who has enlarged breasts and suffers from mild mental retardation. He has a problem learning languages, and his body produces less of the male sex hormone testosterone than normal males. Rico is most likely suffering from:

Amniocentesis is a procedure used in abortion.

Which of the following is a characteristic of supermales?​

Monozygotic (MZ) twins are known as fraternal twins.

When both of the alleles for a trait, such as hair color, are the same, the person is said to be _____ for that trait.

If an individual gets a recessive allele for eye color from both parents, the:​

Duchenne muscular dystrophy is a sex-linked abnormality.

According to a study in 2013 by van Gameren-Oosterom, individuals with Down's syndrome:

How does the amniotic sac protect the embryo and fetus?

As women reach the end of their childbearing years, ovulation becomes more regular.

According to a study in the year 2013 by Fellman, which of the following is true of fertility drugs?

Each member of a pair of genes is termed a(n) _____.

Who among the following share 100% of their genes?​

Which of the following is true of a sperm cell?

History, Theories, and Methods

Birth and the Newborn Baby: In the New World

Infancy: Physical Development

Infancy: Cognitive Development

Infancy: Social and Emotional Development

Early Childhood: Physical and Cognitive Development

Early Childhood: Social and Emotional Development

Middle Childhood: Physical and Cognitive Development

Middle Childhood: Social and Emotional Development

Adolescence: Physical and Cognitive Development

Adolescence: Social and Emotional Development

Early Adulthood: Physical and Cognitive Development

Early Adulthood: Social and Emotional Development

Middle Adulthood: Physical and Cognitive Development

Middle Adulthood: Social and Emotional Development

Late Adulthood: Physical and Cognitive Development

Late Adulthood: Social and Emotional Development

Lifes

Filters

Which of the following is true of Down's syndrome?

According to a study in 2014 by Skakkebaek et al., who among the following is most likely to have gynecomastia?

Which of the following is a characteristic of supermales?

If an individual gets a recessive allele for eye color from both parents, the:

Who among the following share 100% of their genes?