Question 1

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 2

Typical human cells contain 50 chromosomes organized into 25 pairs.

Accepted Answer

A) True 
 B)False

Question 3

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 4

Which of the following individuals is most likely to have Tay-Sachs disease?​

Accepted Answer

A)  Avner, a 4-year-old child of Jewish descent 
B)  Connard, a 55-year-old African American 
C)  Shaina, a 17-year-old Asian American 
D)  Mateo, a 20-year-old Hispanic male student 
A)  Avner, a 4-year-old child of Jewish descent 
B)  Connard, a 55-year-old African American 
C)  Shaina, a 17-year-old Asian American 
D)  Mateo, a 20-year-old Hispanic male student

Question 5

Twenty-year-old Jack is extremely tall and has very thick facial hair. Most of his male secondary sex characteristics are also more pronounced than men of his age. In this scenario, Jack is most likely:​

Accepted Answer

A)  an XYY male. 
B)  to be diagnosed with Klinefelter syndrome. 
C)  an XXY male. 
D)  to be diagnosed with Down's syndrome. 
A)  an XYY male. 
B)  to be diagnosed with Klinefelter syndrome. 
C)  an XXY male. 
D)  to be diagnosed with Down's syndrome.

Question 6

Individuals with Klinefelter syndrome produce:​

Accepted Answer

A)  less estrogen than normal males. 
B)  less testosterone than normal males. 
C)  less adenine than normal males. 
D)  less thymine than normal males. 
A)  less estrogen than normal males. 
B)  less testosterone than normal males. 
C)  less adenine than normal males. 
D)  less thymine than normal males.

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

Cystic fibrosis is caused by a(n):​

Accepted Answer

A)  sex-linked abnormality. 
B)  abnormality in the 21st pair of chromosomes. 
C)  recessive gene. 
D)  single segment found only on the X chromosome. 
A)  sex-linked abnormality. 
B)  abnormality in the 21st pair of chromosomes. 
C)  recessive gene. 
D)  single segment found only on the X chromosome.

Question 9

Meiosis is responsible for the production of sperm and ova.

Accepted Answer

A) True 
 B)False

Question 10

Sperm are much larger than ova.

Accepted Answer

A) True 
 B)False

Question 11

_________ is the process in which the double helix of deoxyribonucleic acid (DNA) duplicates.

Accepted Answer

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

Question 12

Dizygotic (DZ) 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 13

Which of the following is true of mutations?

Accepted Answer

A)  Mutations usually occur by chance. 
B)  Mutations produce sperm and ova cells. 
C)  Mutations occur through radiation or other environmental influences. 
D)  Mutations help adenine combine with guanine to form the single spiral structure of deoxyribonucleic acid. 
A)  Mutations usually occur by chance. 
B)  Mutations produce sperm and ova cells. 
C)  Mutations occur through radiation or other environmental influences. 
D)  Mutations help adenine combine with guanine to form the single spiral structure of deoxyribonucleic acid.

Question 14

_________ are problems that stem from the interaction of heredity and environmental factors.

Accepted Answer

A)  Multifactorial problems 
B)  Cognitive problems 
C)  Horizon problems 
D)  Coronal problems 
A)  Multifactorial problems 
B)  Cognitive problems 
C)  Horizon problems 
D)  Coronal problems

Question 15

What were the conclusions of kinship studies?

Accepted Answer

​Researchers study the distribution of a

Question 16

According to a study in the year 2013 by Fellman, if a woman is a twin, then:

Accepted Answer

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

Question 17

Which of the following illnesses causes a degeneration of the central nervous system?​

Accepted Answer

A)  Tay-Sachs disease 
B)  Cystic fibrosis 
C)  Turner syndrome 
D)  Klinefelter syndrome 
A)  Tay-Sachs disease 
B)  Cystic fibrosis 
C)  Turner syndrome 
D)  Klinefelter syndrome

Question 18

Polygenic traits are those that are:

Accepted Answer

A)  developed during adolescence. 
B)  transmitted by the mother. 
C)  uncommon in humans. 
D)  determined by several pairs of genes. 
A)  developed during adolescence. 
B)  transmitted by the mother. 
C)  uncommon in humans. 
D)  determined by several pairs of genes.

Question 19

Girls with Turner syndrome:​

Accepted Answer

A)  possess more thymine than cytosine. 
B)  are taller than average. 
C)  produce little estrogen. 
D)  are more likely to give birth to twins. 
A)  possess more thymine than cytosine. 
B)  are taller than average. 
C)  produce little estrogen. 
D)  are more likely to give birth to twins.

Question 20

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

The field of biology that studies heredity is called:

Typical human cells contain 50 chromosomes organized into 25 pairs.

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

Which of the following individuals is most likely to have Tay-Sachs disease?

Twenty-year-old Jack is extremely tall and has very thick facial hair. Most of his male secondary sex characteristics are also more pronounced than men of his age. In this scenario, Jack is most likely:

Individuals with Klinefelter syndrome produce:

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

Cystic fibrosis is caused by a(n):

Meiosis is responsible for the production of sperm and ova.

Sperm are much larger than ova.

_________ is the process in which the double helix of deoxyribonucleic acid (DNA) duplicates.

Dizygotic (DZ) twins share _________ percent of their genes.

Which of the following is true of mutations?

_________ are problems that stem from the interaction of heredity and environmental factors.

What were the conclusions of kinship studies?

According to a study in the year 2013 by Fellman, if a woman is a twin, then:

Which of the following illnesses causes a degeneration of the central nervous system?

Polygenic traits are those that are:

Girls with Turner syndrome:

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

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 field of biology that studies heredity is called:

Typical human cells contain 50 chromosomes organized into 25 pairs.

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

Which of the following individuals is most likely to have Tay-Sachs disease?​

Twenty-year-old Jack is extremely tall and has very thick facial hair. Most of his male secondary sex characteristics are also more pronounced than men of his age. In this scenario, Jack is most likely:​

Individuals with Klinefelter syndrome produce:​

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

Cystic fibrosis is caused by a(n):​

Meiosis is responsible for the production of sperm and ova.

Sperm are much larger than ova.

_________ is the process in which the double helix of deoxyribonucleic acid (DNA) duplicates.

Dizygotic (DZ) twins share _________ percent of their genes.

Which of the following is true of mutations?

_________ are problems that stem from the interaction of heredity and environmental factors.

What were the conclusions of kinship studies?

According to a study in the year 2013 by Fellman, if a woman is a twin, then:

Which of the following illnesses causes a degeneration of the central nervous system?​

Polygenic traits are those that are:

Girls with Turner syndrome:​

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

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 individuals is most likely to have Tay-Sachs disease?

Twenty-year-old Jack is extremely tall and has very thick facial hair. Most of his male secondary sex characteristics are also more pronounced than men of his age. In this scenario, Jack is most likely:

Individuals with Klinefelter syndrome produce:

Cystic fibrosis is caused by a(n):

Which of the following illnesses causes a degeneration of the central nervous system?

Girls with Turner syndrome: