Question 1

Sexual reproduction includes

Accepted Answer

A)   mitosis, fission, and fertilization.
B)   mitosis, meiosis, and budding.
C)   meiosis, fertilization, and mitosis.
D)   meiosis, fertilization, and transduction.
E)   fertilization, fission, and meiosis.F) C) and E)
G) B) and E)

Question 2

The process that merges the gametes from two parents is

Accepted Answer

A)   fertilization.
B)   meiosis.
C)   mitosis.
D)   mutation.
E)   conjugation.F) B) and C)
G) None of the above

Question 3

The chromosomal designation for a human male is

Accepted Answer

A)   XX.
B)   XO.
C)   XY.
D)   YY.
E)   XXX.F) D) and E)
G) A) and B)

Question 4

Genes A and B are on the same chromosome.What gametes could an individual with the allele combination AABB produce?

Accepted Answer

A)   AABB
B)   A
C)   AB
D)   B
E)   AABF) A) and E)
G) C) and D)

Question 5

After the completion of meiosis in human males,a diploid germ cell has produced cells with half the original chromosome number,generating ________ haploid cells.

Accepted Answer

A)   2
B)   3
C)   4
D)   23
E)   46F) A) and E)
G) A) and D)

Question 6

If a chromosome in one of your bone cells becomes mutated,you will not pass this mutation onto your children because

Accepted Answer

A)   somatic cells cannot undergo mitosis.
B)   germ cells cannot undergo meiosis.
C)   germ cells cannot undergo mitosis.
D)   somatic cells cannot undergo meiosis.E) None of the above
F) A) and B) D

Question 7

Fraternal twins (dizygotic) result from the fertilization of

Accepted Answer

A)   two eggs and two sperm.
B)   two eggs and one sperm.
C)   one egg and two sperm.
D)   one egg and one sperm.
E)   two eggs and one sperm OR one egg and two sperm.F) A) and B)
G) A) and C)

Question 8

People who have a single X chromosome are female,while those with XXY sex chromosomes are males.In order to be a female,a human

Accepted Answer

A)   must have two X chromosomes.
B)   cannot have a Y chromosome.
C)   must have only one X chromosome.
D)   must have only one Y chromosome.
E)   cannot have an X chromosome.F) A) and E)
G) B) and D)

Question 9

Alternate forms of the same gene

Accepted Answer

A)   do not exist.
B)   are alleles.
C)   are homologs.
D)   are sister chromatids.
E)   do not occur in the same individual.F) All of the above
G) B) and E)

Question 10

Why is it essential that meiosis produce haploid cells?

Accepted Answer

A)   so that the number of chromosomes will double each generation
B)   to produce haploid offspring
C)   to prevent the number of chromosomes from doubling each generation
D)   to produce diploid gametes
E)   to allow asexual reproductionF) B) and C)
G) All of the above

Question 11

What creates genetically different offspring in both asexual and sexual reproduction?

Accepted Answer

A)   mutations
B)   mitosis
C)   meiosis
D)   mutations and mitosis
E)   mitosis and meiosisF) A) and C)
G) B) and E)

Question 12

1n is an abbreviation for

Accepted Answer

A)   haploid.
B)   somatic cells.
C)   diploid.
D)   mitosis.
E)   meiosis.F) A) and C)
G) All of the above A

Question 13

Mitotic cell division creates identical copies by replicating a cell's DNA ________ and then dividing ________.

Accepted Answer

A)   once; twice
B)   twice; once
C)   twice; twice
D)   once; once
E)   No answer is correct.F) A) and B)
G) A) and E)

Question 14

When chromosomes fail to separate during meiosis,this is known as

Accepted Answer

A)   crossing over.
B)   nondisjunction.
C)   translocation.
D)   random separation.
E)   mitosis.F) D) and E)
G) A) and E) B

Question 15

What two processes result in genetically different products?

Accepted Answer

A)   mitosis and meiosis
B)   mitosis and asexual reproduction
C)   meiosis and asexual reproduction
D)   meiosis and sexual reproduction
E)   mitosis and sexual reproductionF) A) and E)
G) B) and E)

Question 16

The roundworm Caenorhabditis elegans is a hermaphrodite and can only undergo sexual reproduction.

Accepted Answer

A) True 
 B)False

Question 17

If a diploid sperm fertilizes a diploid egg it will produce a ________ zygote.

Accepted Answer

A)   triploid
B)   tetraploid
C)   diploid
D)   haploid
E)   hexaploidF) All of the above
G) D) and E)

Question 18

If a haploid cell goes through meiosis it will generate

Accepted Answer

A)   four haploid cells.
B)   two diploid cells.
C)   two haploid cells.
D)   four diploid cells.
E)   No answer is correct.F) All of the above
G) B) and D)

Question 19

If you were looking at a diagram of the male human body and were asked to locate the germ cells,you would point to the

Accepted Answer

A)   bone marrow.
B)   blood.
C)   brain.
D)   skin.
E)   testes.F) A) and B)
G) C) and D)

Question 20

If human gametes were diploid

Accepted Answer

A)   the products of fertilization would have the same number of chromosomes as their parents.
B)   the products of fertilization would have fewer chromosomes than their parents.
C)   fertilization could not occur.
D)   the products of fertilization would have more chromosomes than their parents.
E)   the embryo would be diploid.F) D) and E)
G) B) and D)

Exam 9: Sexual Reproduction and Meiosis

Sexual reproduction includes

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The process that merges the gametes from two parents is

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The chromosomal designation for a human male is

Correct AnswerverifiedShow Answer

Genes A and B are on the same chromosome.What gametes could an individual with the allele combination AABB produce?

Correct AnswerverifiedShow Answer

After the completion of meiosis in human males,a diploid germ cell has produced cells with half the original chromosome number,generating ________ haploid cells.

Correct AnswerverifiedShow Answer

If a chromosome in one of your bone cells becomes mutated,you will not pass this mutation onto your children because

Correct AnswerverifiedD

Fraternal twins (dizygotic) result from the fertilization of

Correct AnswerverifiedShow Answer

People who have a single X chromosome are female,while those with XXY sex chromosomes are males.In order to be a female,a human

Correct AnswerverifiedShow Answer

Alternate forms of the same gene

Correct AnswerverifiedShow Answer

Why is it essential that meiosis produce haploid cells?

Correct AnswerverifiedShow Answer

What creates genetically different offspring in both asexual and sexual reproduction?

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1n is an abbreviation for

Correct AnswerverifiedA

Mitotic cell division creates identical copies by replicating a cell's DNA ________ and then dividing ________.

Correct AnswerverifiedShow Answer

When chromosomes fail to separate during meiosis,this is known as

Correct AnswerverifiedB

What two processes result in genetically different products?

Correct AnswerverifiedShow Answer

The roundworm Caenorhabditis elegans is a hermaphrodite and can only undergo sexual reproduction.

Correct AnswerverifiedShow Answer

If a diploid sperm fertilizes a diploid egg it will produce a ________ zygote.

Correct AnswerverifiedShow Answer

If a haploid cell goes through meiosis it will generate

Correct AnswerverifiedShow Answer

If you were looking at a diagram of the male human body and were asked to locate the germ cells,you would point to the

Correct AnswerverifiedShow Answer

If human gametes were diploid

Correct AnswerverifiedShow Answer

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D

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A

Mitotic cell division creates identical copies by replicating a cell's DNA and then dividing .

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B

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