Question 1

People with Down syndrome and Turner syndrome have at least 47 chromosomes.

Accepted Answer

A) True 
 B)False  False

Question 2

The human genome contains about 100,000 genes.

Accepted Answer

A) True 
 B)False  False

Question 3

Match each term with its corresponding definition or description.
-The longer segment of the 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 J

Question 4

A mother who is a carrier for red-green color-blindness and a father with normal vision will produce which of the following offspring?

Accepted Answer

A)  25% of their daughters will be color-blind 
B)  50% of their daughters will be color-blind 
C)  25% of their sons will be color-blind 
D)  50% of their sons will be color-blind 
A)  25% of their daughters will be color-blind 
B)  50% of their daughters will be color-blind 
C)  25% of their sons will be color-blind 
D)  50% of their sons will be color-blind

Question 5

Using a Punnett square, determine the probability of albinism in offspring from a mother who has normal skin color but carries the albinism trait and a father who is an albino.

Accepted Answer

Fifty percent of the

Question 6

Which of the following genetic diseases is caused by a recessive gene that fails to make an essential lipid-processing enzyme?

Accepted Answer

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

Question 7

A chart that illustrates genetic relationships in a family over several generations is called a pedigree.

Accepted Answer

A) True 
 B)False

Question 8

Match each term with its corresponding definition or description.
-Occurs during meiosis and can lead to monosomy or trisomy

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

The shorter segment of a chromosome is called the _____-arm.

Accepted Answer

A)  l 
B)  p 
C)  q 
D)  s 
A)  l 
B)  p 
C)  q 
D)  s

Question 10

The longer segment of a chromosome is called the _____-arm.

Accepted Answer

A)  l 
B)  p 
C)  q 
D)  s 
A)  l 
B)  p 
C)  q 
D)  s

Question 11

The structure that divides the chromosome into longer and shorter segments is called the

Accepted Answer

A)  centromere. 
B)  genome. 
C)  mitochondria. 
D)  centrioles. 
A)  centromere. 
B)  genome. 
C)  mitochondria. 
D)  centrioles.

Question 12

Which of the following is a chart that illustrates the genetic relationship in a family over several generations?

Accepted Answer

A)  Pedigree 
B)  Karyotype 
C)  Punnett square 
D)  Plasmid 
A)  Pedigree 
B)  Karyotype 
C)  Punnett square 
D)  Plasmid

Question 13

A color-blind mother and a normal vision father will have both sons and daughters who are color-blind.

Accepted Answer

A) True 
 B)False

Question 14

Fragments of formerly functioning genes in the DNA are called genomics.

Accepted Answer

A) True 
 B)False

Question 15

A woman younger than 19 has a higher likelihood of producing a child with Down syndrome than a woman older than 20.

Accepted Answer

A) True 
 B)False

Question 16

A person with monosomy has _____ chromosomes.

Accepted Answer

A)  45 
B)  46 
C)  47 
D)  48 
A)  45 
B)  46 
C)  47 
D)  48

Question 17

Explain the difference between a genetic disease and a genetic predisposition.

Accepted Answer

A genetic disease is a condition that is

Question 18

Match each term with its corresponding definition or description.
-Condition of people with only a single X chromosome (XO)

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 19

Nondisjunction can produce gametes with 22 and 24 chromosomes.

Accepted Answer

A) True 
 B)False

Question 20

A genetic mutation is a change in the DNA code.

Accepted Answer

A) True 
 B)False

Exam 25: Genetics and Genetic Diseases

People with Down syndrome and Turner syndrome have at least 47 chromosomes.

The human genome contains about 100,000 genes.

Match each term with its corresponding definition or description. -The longer segment of the chromosome

A mother who is a carrier for red-green color-blindness and a father with normal vision will produce which of the following offspring?

Using a Punnett square, determine the probability of albinism in offspring from a mother who has normal skin color but carries the albinism trait and a father who is an albino.

Which of the following genetic diseases is caused by a recessive gene that fails to make an essential lipid-processing enzyme?

A chart that illustrates genetic relationships in a family over several generations is called a pedigree.

Match each term with its corresponding definition or description. -Occurs during meiosis and can lead to monosomy or trisomy

The shorter segment of a chromosome is called the _____-arm.

The longer segment of a chromosome is called the _____-arm.

The structure that divides the chromosome into longer and shorter segments is called the

Which of the following is a chart that illustrates the genetic relationship in a family over several generations?

A color-blind mother and a normal vision father will have both sons and daughters who are color-blind.

Fragments of formerly functioning genes in the DNA are called genomics.

A woman younger than 19 has a higher likelihood of producing a child with Down syndrome than a woman older than 20.

A person with monosomy has _____ chromosomes.

Explain the difference between a genetic disease and a genetic predisposition.

Match each term with its corresponding definition or description. -Condition of people with only a single X chromosome (XO)

Nondisjunction can produce gametes with 22 and 24 chromosomes.

A genetic mutation is a change in the DNA code.

Introduction to the Body

Chemistry of Life

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Organ Systems

Mechanisms of Disease

Skin and Membranes

Skeletal System

Muscular System

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Endocrine System

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Blood

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition and Metabolism

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Fluid and Electrolyte Balance

Acid-Base Balance

Reproductive Systems

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