Question 1

Which of the following most accurately describes the function of genes?

Accepted Answer

A)  They regulate the development of traits. 
B)  They prevent foreign particles from entering the body. 
C)  They work together with lutein to influence development. 
D)  They transfer oxygen from the bloodstream to other parts of the body. 
A)  They regulate the development of traits. 
B)  They prevent foreign particles from entering the body. 
C)  They work together with lutein to influence development. 
D)  They transfer oxygen from the bloodstream to other parts of the body. A

Question 2

Down's syndrome is caused:

Accepted Answer

A)  due to alcohol abuse by the mother at the time of conception. 
B)  by sex-linked chromosomal abnormalities. 
C)  by an extra chromosome on the 21st pair. 
D)  due to drug abuse by the mother during pregnancy. 
A)  due to alcohol abuse by the mother at the time of conception. 
B)  by sex-linked chromosomal abnormalities. 
C)  by an extra chromosome on the 21st pair. 
D)  due to drug abuse by the mother during pregnancy. C

Question 3

The individual who would be most likely to develop sickle-cell anemia is a(n):​

Accepted Answer

A)  European American. 
B)  Native American. 
C)  African American. 
D)  Asian American. 
A)  European American. 
B)  Native American. 
C)  African American. 
D)  Asian American. C

Question 4

Which of the following is true of menstruation?​

Accepted Answer

A)  During this time, the endometrium is not discharged. 
B)  During this time, an unfertilized egg is discharged. 
C)  During this time, a female cannot have sex with her partner. 
D)  During this time, a fertilized egg undergoes mitosis. 
A)  During this time, the endometrium is not discharged. 
B)  During this time, an unfertilized egg is discharged. 
C)  During this time, a female cannot have sex with her partner. 
D)  During this time, a fertilized egg undergoes mitosis.

Question 5

Sickle-cell anemia is caused by a:​

Accepted Answer

A)  chromosomal abnormality. 
B)  single segment found only on the Y chromosome. 
C)  recessive gene. 
D)  decrease in estrogen levels. 
A)  chromosomal abnormality. 
B)  single segment found only on the Y chromosome. 
C)  recessive gene. 
D)  decrease in estrogen levels.

Question 6

Which of the following statements about Rh incompatibility is true?​

Accepted Answer

A)  It occurs during a woman's first pregnancy. 
B)  It is an untreatable condition that leaves a woman infertile for the rest of her life. 
C)  It is an abnormality that is transmitted from generation to generation and carried by a sex chromosome. 
D)  It causes anemia, mental deficiency, or death as a result of antibodies entering the fetal bloodstream. 
A)  It occurs during a woman's first pregnancy. 
B)  It is an untreatable condition that leaves a woman infertile for the rest of her life. 
C)  It is an abnormality that is transmitted from generation to generation and carried by a sex chromosome. 
D)  It causes anemia, mental deficiency, or death as a result of antibodies entering the fetal bloodstream.

Question 7

Jill bears the genetic code for Von Willebrand disease, but she has never developed the illness herself. Jill would be considered:​

Accepted Answer

A)  a carrier of the recessive gene that causes the disease. 
B)  susceptible to the disease after adolescence. 
C)  an acceptor of the recessive gene that causes the disease. 
D)  susceptible to the disease at late adulthood. 
A)  a carrier of the recessive gene that causes the disease. 
B)  susceptible to the disease after adolescence. 
C)  an acceptor of the recessive gene that causes the disease. 
D)  susceptible to the disease at late adulthood.

Question 8

When the effects of both alleles are shown, there is said to be:​

Accepted Answer

A)  codominance. 
B)  preponderance. 
C)  ascendance. 
D)  concurrence. 
A)  codominance. 
B)  preponderance. 
C)  ascendance. 
D)  concurrence.

Question 9

_________ is self-propulsion.

Accepted Answer

A)  Mitosis 
B)  Meiosis 
C)  Motility 
D)  Mutation 
A)  Mitosis 
B)  Meiosis 
C)  Motility 
D)  Mutation

Question 10

Distinguish between Klinefelter syndrome and Turner syndrome.

Accepted Answer

​Approximately 1 male in 500 has Klinefe

Question 11

The actual sets of traits that people exhibit are called their genotypes.

Accepted Answer

A) True 
 B)False

Question 12

Dizygotic (DZ) twins run in families.

Accepted Answer

A) True 
 B)False

Question 13

If adopted children show more of a similarity in characteristics to their natural parents than to their adoptive parents, it can be concluded that:

Accepted Answer

A)  the genetic characteristics of the children change over time. 
B)  heredity is solely responsible for how a child grows. 
C)  the environment is solely responsible in the development of those characteristics. 
D)  genetics play a role in the development of those characteristics. 
A)  the genetic characteristics of the children change over time. 
B)  heredity is solely responsible for how a child grows. 
C)  the environment is solely responsible in the development of those characteristics. 
D)  genetics play a role in the development of those characteristics.

Question 14

The typical sex chromosome pattern for males is _____.

Accepted Answer

A)  XX 
B)  XYY 
C)  XY 
D)  XXY 
A)  XX 
B)  XYY 
C)  XY 
D)  XXY

Question 15

Chromosomes contain thousands of segments called:

Accepted Answer

A)  nuclei. 
B)  nodes. 
C)  capillaries. 
D)  genes. 
A)  nuclei. 
B)  nodes. 
C)  capillaries. 
D)  genes.

Question 16

Which of the following pairs of bases is present in the rungs of the ladder-like structure of deoxyribonucleic acid (DNA)?

Accepted Answer

A)  Cytosine with guanine 
B)  Rhodamine with biotin 
C)  Diaminopurine with ribozyme 
D)  Serine with tyrosine 
A)  Cytosine with guanine 
B)  Rhodamine with biotin 
C)  Diaminopurine with ribozyme 
D)  Serine with tyrosine

Question 17

Thalidomide was marketed in the 1960s as a treatment for:​

Accepted Answer

A)  insomnia and nausea. 
B)  infertility and impotency. 
C)  Down's syndrome. 
D)  Turner Syndrome. 
A)  insomnia and nausea. 
B)  infertility and impotency. 
C)  Down's syndrome. 
D)  Turner Syndrome.

Question 18

_________ is a genetic disorder in which blood does not clot properly.

Accepted Answer

A)  Cystic fibrosis 
B)  Hemophilia 
C)  Lymphoma 
D)  Huntington's disease 
A)  Cystic fibrosis 
B)  Hemophilia 
C)  Lymphoma 
D)  Huntington's disease

Question 19

According to a study in the year 2013 by Fellman, the chances of twins:

Accepted Answer

A)  increase when a lady conceives before she is 21. 
B)  increase with parental age. 
C)  decrease with the number of times couples have sex before conception. 
D)  decrease with the use of fertility drugs. 
A)  increase when a lady conceives before she is 21. 
B)  increase with parental age. 
C)  decrease with the number of times couples have sex before conception. 
D)  decrease with the use of fertility drugs.

Question 20

How does endometriosis result in infertility?​

Accepted Answer

​Endometriosis is the inflammation of en

Which of the following most accurately describes the function of genes?

Down's syndrome is caused:

The individual who would be most likely to develop sickle-cell anemia is a(n):

Which of the following is true of menstruation?

Sickle-cell anemia is caused by a:

Which of the following statements about Rh incompatibility is true?

Jill bears the genetic code for Von Willebrand disease, but she has never developed the illness herself. Jill would be considered:

When the effects of both alleles are shown, there is said to be:

_________ is self-propulsion.

Distinguish between Klinefelter syndrome and Turner syndrome.

The actual sets of traits that people exhibit are called their genotypes.

Dizygotic (DZ) twins run in families.

If adopted children show more of a similarity in characteristics to their natural parents than to their adoptive parents, it can be concluded that:

The typical sex chromosome pattern for males is _____.

Chromosomes contain thousands of segments called:

Which of the following pairs of bases is present in the rungs of the ladder-like structure of deoxyribonucleic acid (DNA)?

Thalidomide was marketed in the 1960s as a treatment for:

_________ is a genetic disorder in which blood does not clot properly.

According to a study in the year 2013 by Fellman, the chances of twins:

How does endometriosis result in infertility?

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

Which of the following most accurately describes the function of genes?

Down's syndrome is caused:

The individual who would be most likely to develop sickle-cell anemia is a(n):​

Which of the following is true of menstruation?​

Sickle-cell anemia is caused by a:​

Which of the following statements about Rh incompatibility is true?​

Jill bears the genetic code for Von Willebrand disease, but she has never developed the illness herself. Jill would be considered:​

When the effects of both alleles are shown, there is said to be:​

_________ is self-propulsion.

Distinguish between Klinefelter syndrome and Turner syndrome.

The actual sets of traits that people exhibit are called their genotypes.

Dizygotic (DZ) twins run in families.

If adopted children show more of a similarity in characteristics to their natural parents than to their adoptive parents, it can be concluded that:

The typical sex chromosome pattern for males is _____.

Chromosomes contain thousands of segments called:

Which of the following pairs of bases is present in the rungs of the ladder-like structure of deoxyribonucleic acid (DNA)?

Thalidomide was marketed in the 1960s as a treatment for:​

_________ is a genetic disorder in which blood does not clot properly.

According to a study in the year 2013 by Fellman, the chances of twins:

How does endometriosis result in infertility?​

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

The individual who would be most likely to develop sickle-cell anemia is a(n):

Which of the following is true of menstruation?

Sickle-cell anemia is caused by a:

Which of the following statements about Rh incompatibility is true?

Jill bears the genetic code for Von Willebrand disease, but she has never developed the illness herself. Jill would be considered:

When the effects of both alleles are shown, there is said to be:

Thalidomide was marketed in the 1960s as a treatment for:

How does endometriosis result in infertility?