Question 1

MATCHING
Match each term with its corresponding definition or description.
-a change in the genetic material

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 2

Define or describe what is meant by a pseudogene.

Accepted Answer

A pseudogene is a segment of DNA that re

Question 3

Which of the following can be a genetic mutagen?

Accepted Answer

A)  radiation 
B)  virus 
C)  chemicals 
D)  All of the above can be genetic mutagens. 
A)  radiation 
B)  virus 
C)  chemicals 
D)  All of the above can be genetic mutagens.

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

People who are carriers of Tay-Sachs disease have a higher than normal resistance to tuberculosis.

Accepted Answer

A) True 
 B)False

Question 6

A mother with normal vision (not a carrier for color-blindness)and a father who is color-blind will produce which of the following offspring?

Accepted Answer

A)  100% of the sons will be color-blind 
B)  50% of the sons will be color-blind 
C)  100% of the daughters will be carriers for color-blindness 
D)  50% of the daughters will be carriers for color-blindness 
A)  100% of the sons will be color-blind 
B)  50% of the sons will be color-blind 
C)  100% of the daughters will be carriers for color-blindness 
D)  50% of the daughters will be carriers for color-blindness

Question 7

Which term describes a non-coding part of DNA that may be a fragmented or nonfunctional gene?

Accepted Answer

A)  genome 
B)  pseudogene 
C)  genomic 
D)  proteome 
A)  genome 
B)  pseudogene 
C)  genomic 
D)  proteome

Question 8

The terms sex-linked and X-linked trait mean the same thing.

Accepted Answer

A) True 
 B)False

Question 9

A person with trisomy has _____ chromosomes.

Accepted Answer

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

Question 10

Which is more likely to stay in a population: A helpful mutation or a harmful mutation? Explain your answer.

Accepted Answer

A helpful mutation is more likely to sta

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

Explain the ways in which genetic variation is increased when passing genetic information on to the next generation.

Accepted Answer

Genetic variation is increased when pass

Question 13

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 14

Two genes that are located on the same chromosome are said to be linked.

Accepted Answer

A) True 
 B)False

Question 15

The scientific study of inheritance is called genetics.

Accepted Answer

A) True 
 B)False

Question 16

A photograph of chromosomes that have been cut out and pasted onto a chart in pairs according to size is called a pedigree.

Accepted Answer

A) True 
 B)False

Question 17

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 18

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

Accepted Answer

A) True 
 B)False

Question 19

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

Accepted Answer

Turner syndrome is indeed caused by mono

Question 20

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

Exam 25: Genetics and Genetic Diseases

MATCHING Match each term with its corresponding definition or description. -a change in the genetic material

Define or describe what is meant by a pseudogene.

Which of the following can be a genetic mutagen?

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

People who are carriers of Tay-Sachs disease have a higher than normal resistance to tuberculosis.

A mother with normal vision (not a carrier for color-blindness)and a father who is color-blind will produce which of the following offspring?

Which term describes a non-coding part of DNA that may be a fragmented or nonfunctional gene?

The terms sex-linked and X-linked trait mean the same thing.

A person with trisomy has _____ chromosomes.

Which is more likely to stay in a population: A helpful mutation or a harmful mutation? Explain your answer.

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

Explain the ways in which genetic variation is increased when passing genetic information on to the next generation.

A mechanism that helps ensure genetic variation is

Two genes that are located on the same chromosome are said to be linked.

The scientific study of inheritance is called genetics.

A photograph of chromosomes that have been cut out and pasted onto a chart in pairs according to size is called a pedigree.

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

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

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

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.

An Introduction to the Structure and Function of the Body

Chemistry of Life

Cells

Tissues

Organ Systems of the Body

Mechanisms of Disease

The Integumentary System and Body Membranes

The Skeletal System

The Muscular System

The Nervous System

The Senses

The Endocrine System

Blood

The Heart

The Circulation of the Blood

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Nutrition and Metabolism

The Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

The Reproductive Systems

Growth and Development

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