The Reproductive Process Answers

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What is one difference between a primary oocyte and a secondary oocyte in humans?

A
A primary oocyte contains 46 chromosomes, while a secondary oocyte contains 23 chromosomes.
B
A primary oocyte is produced after birth, while a secondary oocyte is produced before birth.
C
A primary oocyte develops in both men and women, while a secondary oocyte develops only in women.
D
A primary oocyte is the product of meiosis, while a secondary oocyte is the product of mitosis.
4

Which best describes the relationship of the embryo and the fetus?

A
The embryo and the fetus are both formed when the sperm and egg fuse.
B
The fetus differentiates into the embryo and the placenta.
C
The embryo has more cells than the fetus has.
D
The fetus is more developed than the embryo.
5

In the United States, alcoholic beverages that are sold in stores display a government warning stating that pregnant women should not drink alcoholic beverages. This is because

A
it prevents cleavage division from occurring, so a zygote cannot become a blastocyst.
B
if a woman drinks alcohol while she is pregnant, she may not be able to ovulate again after childbirth.
C
studies have proven that alcohol consumption causes long-lasting disorders in the fetus.
D
the science of chemistry has shown that alcohol is a reactive substance that may interfere with the mother’s food digestion.
6

The head of a human offspring turns down and prepares to enter the birth canal during

A
the first trimester.
B
the second trimester.
C
the third trimester.
D
birth.
8

Which process produces human egg and sperm cells?

A
fertilization
B
ovulation
C
pregnancy
D
gametogenesis
9

What happens to a spermatid to change it into a sperm cell?

A
Meiosis occurs, making a cell with n chromosomes.
B
The nuclei of two polar bodies fuse, making a cell with 2n chromosomes.
C
A tail is added, making the sperm a motile cell.
D
A membrane hardens, making the sperm a nonmotile cell.
10

What process occurs as a zygote becomes a blastocyst?

A
meiosis
B
cleavage division
C
fertilization
D
ovulation

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