Question 1

A person with one dominant gene for normal skin color and one gene for albinism will look the same as a person with two dominant genes for normal skin color.

Accepted Answer

A) True 
 B)False

Question 2

Tay-Sachs disease is caused by a failure to make an enzyme that converts an amino acid into tyrosine.

Accepted Answer

A) True 
 B)False

Question 3

A dominant gene will prevent the recessive gene from being expressed.

Accepted Answer

A) True 
 B)False

Question 4

Two albino parents will have all albino children.

Accepted Answer

A) True 
 B)False

Question 5

Using a Punnett square, determine the probability of color-blindness in offspring from a mother who is a carrier for color-blindness and a color-blind father.

Accepted Answer

25% color-blind fema

Question 6

A mother who is a carrier of the color-blind trait and a father with normal color vision will pass on color-blindness to 50% of their sons.

Accepted Answer

A) True 
 B)False

Question 7

The exchange of genetic material between pairs of autosomes is called crossing-over.

Accepted Answer

A) True 
 B)False

Question 8

Match each term with its corresponding definition or description.
-The scientific study of genetic inheritance

Accepted Answer

A) Proteome 
B) Crossing-over 
C) Dominant gene 
D) Gene 
E) p-arm
F)Trisomy
G)Genetics
H)Recessive gene
I)Genome
J)q-arm
K)Sex-linked trait
L)Genetic mutation
M)Monosomy
N)Autosome
O)Nondisjunction 
A) Proteome 
B) Crossing-over 
C) Dominant gene 
D) Gene 
E) p-arm
F)Trisomy
G)Genetics
H)Recessive gene
I)Genome
J)q-arm
K)Sex-linked trait
L)Genetic mutation
M)Monosomy
N)Autosome
O)Nondisjunction

Question 9

Both viruses and bacteria can be mutagens.

Accepted Answer

A) True 
 B)False

Question 10

Match each term with its corresponding definition or description.
-Condition of people who are missing an enzyme that should convert one amino acid into another

Accepted Answer

A) Turner syndrome 
B) Cystic fibrosis 
C) Down syndrome 
D) Pedigree 
E) Single-gene disease
F)Klinefelter syndrome
G)Karyotype
H)Genetic predisposition
I)PKU
J)Punnett square 
A) Turner syndrome 
B) Cystic fibrosis 
C) Down syndrome 
D) Pedigree 
E) Single-gene disease
F)Klinefelter syndrome
G)Karyotype
H)Genetic predisposition
I)PKU
J)Punnett square

Question 11

Match each term with its corresponding definition or description.
-A trait found on the X chromosome

Accepted Answer

A) Proteome 
B) Crossing-over 
C) Dominant gene 
D) Gene 
E) p-arm
F)Trisomy
G)Genetics
H)Recessive gene
I)Genome
J)q-arm
K)Sex-linked trait
L)Genetic mutation
M)Monosomy
N)Autosome
O)Nondisjunction 
A) Proteome 
B) Crossing-over 
C) Dominant gene 
D) Gene 
E) p-arm
F)Trisomy
G)Genetics
H)Recessive gene
I)Genome
J)q-arm
K)Sex-linked trait
L)Genetic mutation
M)Monosomy
N)Autosome
O)Nondisjunction

Question 12

Turner syndrome is caused by monosomy of the sex chromosome XO. Why is there no corresponding condition for monosomy of the sex chromosome YO?

Accepted Answer

Turner syndrome is indeed caused by mono

Question 13

Both monosomy and trisomy result from nondisjunction.

Accepted Answer

A) True 
 B)False

Question 14

What is a genetic mutation? List three possible genetic mutagens.

Accepted Answer

A genetic mutation is a change in the DN

Question 15

The p-arm and q-arm are determined by the location of the centromere.

Accepted Answer

A) True 
 B)False

Question 16

A mechanism that helps ensure genetic variation is

Accepted Answer

A)  sperm cells not sharing the same genome. 
B)  egg cells not sharing the same genome. 
C)  crossing-over. 
D)  all of the above. 
A)  sperm cells not sharing the same genome. 
B)  egg cells not sharing the same genome. 
C)  crossing-over. 
D)  all of the above.

Question 17

The genetic code is transmitted to offspring in discrete independent units called genes.

Accepted Answer

A) True 
 B)False

Question 18

The entire collection of genetic material in each typical cell of the human body is called the

Accepted Answer

A)  genome. 
B)  karyotype. 
C)  chromosomes. 
D)  both B and C. 
A)  genome. 
B)  karyotype. 
C)  chromosomes. 
D)  both B and C.

Question 19

A recessive trait carried on the X chromosome acts like a dominant trait in a male offspring.

Accepted Answer

A) True 
 B)False

Question 20

Explain the difference between gene replacement therapy and gene augmentation therapy.

Accepted Answer

Gene replacement therapy and gene augmen

Exam 25: Genetics and Genetic Diseases

A person with one dominant gene for normal skin color and one gene for albinism will look the same as a person with two dominant genes for normal skin color.

Tay-Sachs disease is caused by a failure to make an enzyme that converts an amino acid into tyrosine.

A dominant gene will prevent the recessive gene from being expressed.

Two albino parents will have all albino children.

Using a Punnett square, determine the probability of color-blindness in offspring from a mother who is a carrier for color-blindness and a color-blind father.

A mother who is a carrier of the color-blind trait and a father with normal color vision will pass on color-blindness to 50% of their sons.

The exchange of genetic material between pairs of autosomes is called crossing-over.

Match each term with its corresponding definition or description. -The scientific study of genetic inheritance

Both viruses and bacteria can be mutagens.

Match each term with its corresponding definition or description. -Condition of people who are missing an enzyme that should convert one amino acid into another

Match each term with its corresponding definition or description. -A trait found on the X chromosome

Turner syndrome is caused by monosomy of the sex chromosome XO. Why is there no corresponding condition for monosomy of the sex chromosome YO?

Both monosomy and trisomy result from nondisjunction.

What is a genetic mutation? List three possible genetic mutagens.

The p-arm and q-arm are determined by the location of the centromere.

A mechanism that helps ensure genetic variation is

The genetic code is transmitted to offspring in discrete independent units called genes.

The entire collection of genetic material in each typical cell of the human body is called the

A recessive trait carried on the X chromosome acts like a dominant trait in a male offspring.

Explain the difference between gene replacement therapy and gene augmentation therapy.

Introduction to the Body

Chemistry of Life

Cells

Tissues

Organ Systems

Mechanisms of Disease

Skin and Membranes

Skeletal System

Muscular System

Nervous System

Senses

Endocrine System

Blood

Heart

Blood

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Reproductive Systems

Growth, Development, and Aging

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