Question 1

Which of the following statements about Rh incompatibility is true?

Accepted Answer

A)  Rh incompatibility occurs most commonly during a woman's first pregnancy. 
B)  Rh incompatibility is an untreatable condition that leaves a woman infertile for the rest of her life. 
C)  Rh incompatibility is an abnormality that is transmitted from generation to generation and carried by a sex chromosome. 
D)  Rh incompatibility occurs due to antibodies transmitted to a fetus during subsequent deliveries causing brain damage or death. 
A)  Rh incompatibility occurs most commonly during a woman's first pregnancy. 
B)  Rh incompatibility is an untreatable condition that leaves a woman infertile for the rest of her life. 
C)  Rh incompatibility is an abnormality that is transmitted from generation to generation and carried by a sex chromosome. 
D)  Rh incompatibility occurs due to antibodies transmitted to a fetus during subsequent deliveries causing brain damage or death. D

Question 2

If an individual gets a recessive gene 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. B

Question 3

After mitosis, the genetic code is identical in new cells unless _________ occur through radiation or other environmental influences. ​

Accepted Answer

A)  reductions 
B)  expulsions 
C)  conceptions 
D)  mutations 
A)  reductions 
B)  expulsions 
C)  conceptions 
D)  mutations D

Question 4

Amniocentesis is a procedure used in abortion.

Accepted Answer

A) True 
 B)False

Question 5

Monozygotic (MZ) twins share _________percent of their genes. ​

Accepted Answer

A)  100 
B)  75 
C)  50 
D)  25 
A)  100 
B)  75 
C)  50 
D)  25

Question 6

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 7

An individual's _____ reflects both genetic and environmental influences.

Accepted Answer

A)  phenotype 
B)  chromosome 
C)  allele 
D)  genotype 
A)  phenotype 
B)  chromosome 
C)  allele 
D)  genotype

Question 8

Which of the following statements is a symptom of cystic fibrosis in children?

Accepted Answer

A)  They suffer from a genetic disorder that decreases the blood's capacity to carry oxegen. 
B)  They suffer from excessive production of thick mucus that clogs the pancreas and lungs. 
C)  They suffer from a loss of intellectual functioning and personality change. 
D)  They produce less of the male sex hormone testosterone than normal children. 
A)  They suffer from a genetic disorder that decreases the blood's capacity to carry oxegen. 
B)  They suffer from excessive production of thick mucus that clogs the pancreas and lungs. 
C)  They suffer from a loss of intellectual functioning and personality change. 
D)  They produce less of the male sex hormone testosterone than normal children.

Question 9

The embryo and fetus develop within a protective_________in the uterus. ​

Accepted Answer

A)  amniotic sac 
B)  umbilical cord 
C)  neural tube 
D)  embryonic disk 
A)  amniotic sac 
B)  umbilical cord 
C)  neural tube 
D)  embryonic disk

Question 10

Which of the following processes happen 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)  Twenty-three 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)  Twenty-three chromosomes are created.

Question 11

Typical human cells contain 50 chromosomes organized into 25 pairs.

Accepted Answer

A) True 
 B)False

Question 12

Down's syndrome is caused by:

Accepted Answer

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

Question 13

The field of biology that studies heredity is called:

Accepted Answer

A)  etiology. 
B)  ecology. 
C)  genetics. 
D)  eugenics. 
A)  etiology. 
B)  ecology. 
C)  genetics. 
D)  eugenics.

Question 14

According to a study in the year 2013 by Fellman, if a woman is a twin, if her mother was a twin, or if she has previously borne twins, then:

Accepted Answer

A)  she will bear only monozygotic (MZ) twins. 
B)  the chances of her becoming pregnant decrease. 
C)  she is likely to be a healthy mother. 
D)  the chances rise that she will bear twins. 
A)  she will bear only monozygotic (MZ) twins. 
B)  the chances of her becoming pregnant decrease. 
C)  she is likely to be a healthy mother. 
D)  the chances rise that she will bear twins.

Question 15

Which of the following statements is a characteristic of supermales?

Accepted Answer

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

Question 16

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 17

_____ is a synthetic hormone used to prevent miscarriages that can cause masculinization of the fetus.

Accepted Answer

A)  Testosterone 
B)  Estrogen 
C)  Progestin 
D)  Oxytocin 
A)  Testosterone 
B)  Estrogen 
C)  Progestin 
D)  Oxytocin

Question 18

When children who are reared by adoptive parents are nonetheless more similar to their natural parents in a trait, 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 19

A low sperm count, or lack of sperm, is the most common infertility problem in men.

Accepted Answer

A) True 
 B)False

Question 20

Dizygotic (DZ) twins run in families.

Accepted Answer

A) True 
 B)False

Which of the following statements about Rh incompatibility is true?

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

After mitosis, the genetic code is identical in new cells unless _________ occur through radiation or other environmental influences.

Amniocentesis is a procedure used in abortion.

Monozygotic (MZ) twins share _________percent of their genes.

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

An individual's _____ reflects both genetic and environmental influences.

Which of the following statements is a symptom of cystic fibrosis in children?

The embryo and fetus develop within a protective_________in the uterus.

Which of the following processes happen during mitosis?

Typical human cells contain 50 chromosomes organized into 25 pairs.

Down's syndrome is caused by:

The field of biology that studies heredity is called:

According to a study in the year 2013 by Fellman, if a woman is a twin, if her mother was a twin, or if she has previously borne twins, then:

Which of the following statements is a characteristic of supermales?

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

_____ is a synthetic hormone used to prevent miscarriages that can cause masculinization of the fetus.

When children who are reared by adoptive parents are nonetheless more similar to their natural parents in a trait, it can be concluded that:

A low sperm count, or lack of sperm, is the most common infertility problem in men.

Dizygotic (DZ) twins run in families.

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 statements about Rh incompatibility is true?

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

After mitosis, the genetic code is identical in new cells unless _________ occur through radiation or other environmental influences. ​

Amniocentesis is a procedure used in abortion.

Monozygotic (MZ) twins share _________percent of their genes. ​

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

An individual's _____ reflects both genetic and environmental influences.

Which of the following statements is a symptom of cystic fibrosis in children?

The embryo and fetus develop within a protective_________in the uterus. ​

Which of the following processes happen during mitosis?

Typical human cells contain 50 chromosomes organized into 25 pairs.

Down's syndrome is caused by:

The field of biology that studies heredity is called:

According to a study in the year 2013 by Fellman, if a woman is a twin, if her mother was a twin, or if she has previously borne twins, then:

Which of the following statements is a characteristic of supermales?

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

_____ is a synthetic hormone used to prevent miscarriages that can cause masculinization of the fetus.

When children who are reared by adoptive parents are nonetheless more similar to their natural parents in a trait, it can be concluded that:

A low sperm count, or lack of sperm, is the most common infertility problem in men.

Dizygotic (DZ) twins run in families.

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

After mitosis, the genetic code is identical in new cells unless _________ occur through radiation or other environmental influences.

Monozygotic (MZ) twins share _________percent of their genes.

The embryo and fetus develop within a protective_________in the uterus.