Question 1

Dizygotic twins are MORE likely to inherit than monozygotic twins.

Accepted Answer

A)  more likely to inherit schizophrenia 
B)  more likely to inherit depression 
C)  more likely to inherit autism 
D)  less likely to inherit disorders 
A)  more likely to inherit schizophrenia 
B)  more likely to inherit depression 
C)  more likely to inherit autism 
D)  less likely to inherit disorders

Question 2

The process of mitosis results in new cells containing identical genetic codes. That is, unless what occurs?

Accepted Answer

A)  Reduction division 
B)  Cell death 
C)  Mutations 
D)  Neural pruning 
A)  Reduction division 
B)  Cell death 
C)  Mutations 
D)  Neural pruning

Question 3

Meghan is carrying a newly fertilized ova to term for another woman. Meghan is a(n)

Accepted Answer

A)  sperm donor. 
B)  adoptive parent. 
C)  surrogate. 
D)  IVF donor. 
A)  sperm donor. 
B)  adoptive parent. 
C)  surrogate. 
D)  IVF donor.

Question 4

Our phenotype is influenced by the environment.

Accepted Answer

A) True 
 B)False

Question 5

What is the approximate rate of occurrence of males who have an extra Y chromosome, resulting in the configuration XYY?

Accepted Answer

A)  Zero, because this disorder affects females only 
B)  One in 50 to 70 
C)  One in 700 to 1,000 
D)  One in 3 
A)  Zero, because this disorder affects females only 
B)  One in 50 to 70 
C)  One in 700 to 1,000 
D)  One in 3

Question 6

The sperm cell

Accepted Answer

A)  is significantly larger than the egg cell. 
B)  contains two Y chromosomes. 
C)  does not determine the sex of the developing child. 
D)  is one of the smallest types of cells in the body. 
A)  is significantly larger than the egg cell. 
B)  contains two Y chromosomes. 
C)  does not determine the sex of the developing child. 
D)  is one of the smallest types of cells in the body.

Question 7

Dominant alleles

Accepted Answer

A)  will cause characteristics in individuals when paired with recessive alleles. 
B)  come from the father of the developing child. 
C)  cannot determine physical characteristics. 
D)  will determine physical characteristics only in offspring of the same sex as the parent that contributed that trait. 
A)  will cause characteristics in individuals when paired with recessive alleles. 
B)  come from the father of the developing child. 
C)  cannot determine physical characteristics. 
D)  will determine physical characteristics only in offspring of the same sex as the parent that contributed that trait.

Question 8

The prenatal screening procedure that poses LEAST risk to the fetus is

Accepted Answer

A)  amniocentesis. 
B)  genetic counseling. 
C)  chorionic villus sampling. 
D)  alpha-fetoprotein assay (AFP). 
A)  amniocentesis. 
B)  genetic counseling. 
C)  chorionic villus sampling. 
D)  alpha-fetoprotein assay (AFP).

Question 9

What outcome is likely if both parents are carriers of PKU?

Accepted Answer

A)  One child out of four will develop the disorder. 
B)  None of the children will develop the disorder. 
C)  Their daughters are more likely to develop the disorder than their sons. 
D)  All of their children will develop the disorder. 
A)  One child out of four will develop the disorder. 
B)  None of the children will develop the disorder. 
C)  Their daughters are more likely to develop the disorder than their sons. 
D)  All of their children will develop the disorder.

Question 10

Someone suffering from cystic fibrosis

Accepted Answer

A)  carries it as a recessive gene. 
B)  suffer from an inability to produce mucus. 
C)  has more than 23 chromosomal pairs. 
D)  is likely to have a younger mother. 
A)  carries it as a recessive gene. 
B)  suffer from an inability to produce mucus. 
C)  has more than 23 chromosomal pairs. 
D)  is likely to have a younger mother.

Question 11

Kia and Mia are monozygotic twins. At birth, they were separated and adopted by different families. Kia grew up in Los Angeles. Mia grew up in New York City. Given the research, you would expect Kia and Mia to

Accepted Answer

A)  share the same degree of genetic similarity as twins reared together. 
B)  be less alike, genetically, than dizygotic twins reared together. 
C)  be identical in genetics, behaviors and preferences. 
D)  be no more alike in genetics, behaviors and preferences than regular siblings. 
A)  share the same degree of genetic similarity as twins reared together. 
B)  be less alike, genetically, than dizygotic twins reared together. 
C)  be identical in genetics, behaviors and preferences. 
D)  be no more alike in genetics, behaviors and preferences than regular siblings.

Question 12

If an adopted child is more similar on a particular characteristic to his/her biological parents than to the adoptive parents, we can conclude that

Accepted Answer

A)  the adoptive parents have tried very hard to raise the child as their own. 
B)  heredity is solely responsible for who we become. 
C)  environment is solely responsible for who we become. 
D)  genetics play a role in the development of that particular characteristic. 
A)  the adoptive parents have tried very hard to raise the child as their own. 
B)  heredity is solely responsible for who we become. 
C)  environment is solely responsible for who we become. 
D)  genetics play a role in the development of that particular characteristic.

Question 13

The following can be said about male conception:

Accepted Answer

A)  fewer males are conceived, but more survive to birth. 
B)  more males are conceived and more survive to birth. 
C)  more males are conceived and more are spontaneously aborted. 
D)  about the same number of males and females are conceived. 
A)  fewer males are conceived, but more survive to birth. 
B)  more males are conceived and more survive to birth. 
C)  more males are conceived and more are spontaneously aborted. 
D)  about the same number of males and females are conceived.

Question 14

Sperm

Accepted Answer

A)  travel at random inside a woman's reproductive tract. 
B)  find ovum as a matter of luck. 
C)  are attracted to ova by the odor of a chemical they secrete. 
D)  are attracted to ova by a sound wave they emit. 
A)  travel at random inside a woman's reproductive tract. 
B)  find ovum as a matter of luck. 
C)  are attracted to ova by the odor of a chemical they secrete. 
D)  are attracted to ova by a sound wave they emit.

Question 15

In DNA, adenine is paired with and cytosine with .

Accepted Answer

A)  thymine; simple sugar 
B)  thymine; guanine 
C)  guanine; simple sugar 
D)  guanine; thymine 
A)  thymine; simple sugar 
B)  thymine; guanine 
C)  guanine; simple sugar 
D)  guanine; thymine

Question 16

Which statement about monozygotic twins is FALSE?

Accepted Answer

A)  Monozygotic twins usually include one male and one female child. 
B)  Monozygotic twins are also called "identical" twins. 
C)  Monozygotic twins are more common now than in the past. 
D)  Monozygotic twins occur with equal frequency among all ethnic groups. 
A)  Monozygotic twins usually include one male and one female child. 
B)  Monozygotic twins are also called "identical" twins. 
C)  Monozygotic twins are more common now than in the past. 
D)  Monozygotic twins occur with equal frequency among all ethnic groups.

Question 17

Anya is female. She is infertile and has trouble with visual-spatial skills and mathematics, and also struggles with her nonverbal memory. She most likely has

Accepted Answer

A)  Turner syndrome. 
B)  Single X syndrome. 
C)  Triple Y syndrome. 
D)  "Superfemale" syndrome. 
A)  Turner syndrome. 
B)  Single X syndrome. 
C)  Triple Y syndrome. 
D)  "Superfemale" syndrome.

Question 18

Nicole is a long-distance runner. She believes in the importance of proper diet and exercise. As such, she provides a healthy diet for her two-year-old daughter, enrolls her in toddler gymnastic classes, and encourages her daughter's outdoor physical activities. Which of the following genetic-environment correlations does this BEST represent?

Accepted Answer

A)  Passive 
B)  Evocative 
C)  Active 
D)  Industrious 
A)  Passive 
B)  Evocative 
C)  Active 
D)  Industrious

Question 19

DNA consists of all of the following EXCEPT

Accepted Answer

A)  phosphate. 
B)  indolamine. 
C)  cytosine. 
D)  guanine. 
A)  phosphate. 
B)  indolamine. 
C)  cytosine. 
D)  guanine.

Question 20

Research into the human genome has found that human beings have genes in every cell of their bodies.

Accepted Answer

A)  1,000-1,500 
B)  10,000-20,000 
C)  20,000-25,000 
D)  40,000-50,000 
A)  1,000-1,500 
B)  10,000-20,000 
C)  20,000-25,000 
D)  40,000-50,000

Dizygotic twins are MORE likely to inherit than monozygotic twins.

The process of mitosis results in new cells containing identical genetic codes. That is, unless what occurs?

Meghan is carrying a newly fertilized ova to term for another woman. Meghan is a(n)

Our phenotype is influenced by the environment.

What is the approximate rate of occurrence of males who have an extra Y chromosome, resulting in the configuration XYY?

The sperm cell

Dominant alleles

The prenatal screening procedure that poses LEAST risk to the fetus is

What outcome is likely if both parents are carriers of PKU?

Someone suffering from cystic fibrosis

Kia and Mia are monozygotic twins. At birth, they were separated and adopted by different families. Kia grew up in Los Angeles. Mia grew up in New York City. Given the research, you would expect Kia and Mia to

If an adopted child is more similar on a particular characteristic to his/her biological parents than to the adoptive parents, we can conclude that

The following can be said about male conception:

Sperm

In DNA, adenine is paired with and cytosine with .

Which statement about monozygotic twins is FALSE?

Anya is female. She is infertile and has trouble with visual-spatial skills and mathematics, and also struggles with her nonverbal memory. She most likely has

DNA consists of all of the following EXCEPT

Research into the human genome has found that human beings have genes in every cell of their bodies.

History-Theories-And-Methods

Prenatal-Development

Birth and the Newborn Baby: in the New World

Infancy-Physical-Development

Infancy-Cognitive-Development

Infancy-Social-And-Emotional-Development

Early-Childhood-Physical-Development

Early-Childhood-Cognitive-Development

Early Childhood: Social and Emotional Development

Middle Childhood: Physical Development

Middle-Childhood-Cognitive-Development

Middle Childhood: Social and Emotional Development

Filters

Exam 2: Heredity-And-Conception

Dizygotic twins are MORE likely to inherit than monozygotic twins.

The process of mitosis results in new cells containing identical genetic codes. That is, unless what occurs?

Meghan is carrying a newly fertilized ova to term for another woman. Meghan is a(n)

Our phenotype is influenced by the environment.

What is the approximate rate of occurrence of males who have an extra Y chromosome, resulting in the configuration XYY?

The sperm cell

Dominant alleles

The prenatal screening procedure that poses LEAST risk to the fetus is

What outcome is likely if both parents are carriers of PKU?

Someone suffering from cystic fibrosis

Kia and Mia are monozygotic twins. At birth, they were separated and adopted by different families. Kia grew up in Los Angeles. Mia grew up in New York City. Given the research, you would expect Kia and Mia to

If an adopted child is more similar on a particular characteristic to his/her biological parents than to the adoptive parents, we can conclude that

The following can be said about male conception:

Sperm

In DNA, adenine is paired with and cytosine with .

Which statement about monozygotic twins is FALSE?

Anya is female. She is infertile and has trouble with visual-spatial skills and mathematics, and also struggles with her nonverbal memory. She most likely has

DNA consists of all of the following EXCEPT

Research into the human genome has found that human beings have genes in every cell of their bodies.

History-Theories-And-Methods

Prenatal-Development

Birth and the Newborn Baby: in the New World

Infancy-Physical-Development

Infancy-Cognitive-Development

Infancy-Social-And-Emotional-Development

Early-Childhood-Physical-Development

Early-Childhood-Cognitive-Development

Early Childhood: Social and Emotional Development

Middle Childhood: Physical Development

Middle-Childhood-Cognitive-Development

Middle Childhood: Social and Emotional Development

Filters