Question 1

In humans,the sex of a child is determined by:

Accepted Answer

A)  The sex chromosome in the egg
B)  The number of autosomes in the sperm
C)  The number of autosomes in the egg
D)  The sex chromosome in the sperm
E)  The number of X chromosomes in the eggF) A) and B)
G) A) and D)

Question 2

Why does sexual reproduction produce more genetic variability in a population?

Accepted Answer

A)  Offspring are genetically identical to one parent
B)  During sex, adults can exchange genetic material thus increasing their variability
C)  Organisms arising from sexual reproduction can change their genetic material in response to environmental changes
D)  Sexually reproducing organisms mutate more rapidly than asexually reproducing organisms
E)  Offspring are a genetic mix of both parentsF) A) and B)
G) A) and C)

Question 3

Pollen contains _____ that produce _____.

Accepted Answer

A)  Gametophytes, spores
B)  Sporophytes, sperm
C)  Sporophytes, spores
D)  Sperm, spores
E)  Gametophytes, spermF) A) and C)
G) C) and D)

Question 4

In humans,gametes form:

Accepted Answer

A)  In ovaries by parthenogenesis
B)  In testes by oogenesis
C)  In ovaries by spermatocenesis
D)  In testes by spermatogenesis
E)  In testes and ovaries by random assortmentF) A) and C)
G) C) and E)

Question 5

If you mate a donkey (2N=62) with a horse (2N=64) you get a mule.A mule is sterile and cannot produce gametes by meiosis because:

Accepted Answer

A)  They contain too few chromosomes
B)  They have an odd number of chromosomes
C)  They have an even number of chromosomes
D)  They contain too many chromosomes
E)  They lack genes that are essential for lifeF) B) and D)
G) B) and C)

Question 6

If a diploid cell goes through meiosis it will generate:

Accepted Answer

A)  Two haploid cells
B)  Four diploid cells
C)  Two diploid cells
D)  Four haploid cells
E)  This isn't possibleF) A) and D)
G) B) and C)

Question 7

If a diploid cell goes through mitosis it will generate:

Accepted Answer

A)  Four haploid cells
B)  Two diploid cells
C)  Two haploid cells
D)  Four diploid cells
E)  This isn't possibleF) All of the above
G) B) and C)

Question 8

All sexual life cycles include:

Accepted Answer

A)  Mitosis, gamete formation, and fertilization
B)  Mitosis, meiosis, and gamete formation
C)  Meiosis, gamete formation, and fertilization
D)  Mitosis, fertilization, and meiosis
E)  None of these are correctF) A) and E)
G) B) and E)

Question 9

If a human zygote has either 45 or 47 chromosomes it might be assumed that this was due to nondisjunction.

Accepted Answer

A) True 
 B)False

Question 10

Mitosis does not require that homologous chromosomes align with one another.

Accepted Answer

A) True 
 B)False

Question 11

There are two divisions in meiosis resulting in four daughter cells.

Accepted Answer

A) True 
 B)False

Question 12

A female missing an X chromosome (XO)would have Turner syndrome.

Accepted Answer

A) True 
 B)False

Question 13

The human chromosomes that do not determine whether an individual is male or female are:

Accepted Answer

A)  Not found in pairs
B)  The "X" and "Y" chromosomes
C)  Autosomes
D)  Called sex chromosomes
E)  None of these are correctF) A) and E)
G) D) and E)

Question 14

A gamete having more than one complete set of chromosomes:

Accepted Answer

A)  Cannot be produced by meiosis
B)  Cannot participate in fertilization
C)  Is polyploid
D)  Will undergo mitosis
E)  Is not yet through meiosisF) C) and D)
G) A) and E)

Question 15

A male having an extra X chromosome (XXY)would have Turner syndrome.

Accepted Answer

A) True 
 B)False

Question 16

In meiosis,the separated sister chromatids move to opposite poles of the cell during:

Accepted Answer

A)  Metaphase one
B)  Metaphase two
C)  Anaphase one
D)  Telophase one
E)  Anaphase twoF) None of the above
G) A) and E)

Question 17

In meiosis,paired homologs align down the center of the cell during:

Accepted Answer

A)  Metaphase one
B)  Prophase one
C)  Prophase two
D)  Metaphase two
E)  Anaphase twoF) All of the above
G) B) and E)

Question 18

In meiosis 1,cytokinesis usually occurs after telophase one and produces:

Accepted Answer

A)  One diploid cell
B)  Two haploid cells
C)  Four haploid cells
D)  Two diploid cells
E)  One haploid cellF) B) and D)
G) B) and C)

Question 19

Sexual reproduction and meiosis generate genetic variety by:

Accepted Answer

A)  Random fertilization
B)  All are correct
C)  Independent assortment
D)  Crossing overE) A) and D)
F) B) and C)

Question 20

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 meiosisE) All of the above
F) A) and B)

Exam 9: Sexual Reproduction and Meiosis

Pollen contains _____ that produce _____.

Correct AnswerverifiedShow Answer

In humans,gametes form:

Correct AnswerverifiedShow Answer

If a diploid cell goes through mitosis it will generate:

Correct AnswerverifiedShow Answer

A male having an extra X chromosome (XXY)would have Turner syndrome.

Correct AnswerverifiedShow Answer

In humans,the sex of a child is determined by:

Correct AnswerverifiedShow Answer

In meiosis 1,cytokinesis usually occurs after telophase one and produces:

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 AnswerverifiedShow Answer

All sexual life cycles include:

Correct AnswerverifiedShow Answer

A female missing an X chromosome (XO)would have Turner syndrome.

Correct AnswerverifiedShow Answer

A gamete having more than one complete set of chromosomes:

Correct AnswerverifiedShow Answer

The human chromosomes that do not determine whether an individual is male or female are:

Correct AnswerverifiedShow Answer

In meiosis,paired homologs align down the center of the cell during:

Correct AnswerverifiedShow Answer

Sexual reproduction and meiosis generate genetic variety by:

Correct AnswerverifiedShow Answer

In meiosis,the separated sister chromatids move to opposite poles of the cell during:

Correct AnswerverifiedShow Answer

There are two divisions in meiosis resulting in four daughter cells.

Correct AnswerverifiedShow Answer

If you mate a donkey (2N=62) with a horse (2N=64) you get a mule.A mule is sterile and cannot produce gametes by meiosis because:

Correct AnswerverifiedShow Answer

Mitosis does not require that homologous chromosomes align with one another.

Correct AnswerverifiedShow Answer

Why does sexual reproduction produce more genetic variability in a population?

Correct AnswerverifiedShow Answer

If a diploid cell goes through meiosis it will generate:

Correct AnswerverifiedShow Answer

If a human zygote has either 45 or 47 chromosomes it might be assumed that this was due to nondisjunction.

Correct AnswerverifiedShow Answer

Pollen contains _ that produce _.

Correct Answer
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