AnswersCA-Life Science B High SchoolThe Reproductive Process

The Reproductive Process Answers

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1
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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.
2
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Which process produces human egg and sperm cells?

A
fertilization
B
ovulation
C
pregnancy
D
gametogenesis
3

What is one difference between oogenesis and spermatogenesis?

A
Oogenesis occurs in females, but spermatogenesis occurs in males.
B
Oogenesis starts at puberty, but spermatogenesis starts before birth.
C
Oogenesis involves mitosis, but spermatogenesis involves meiosis.
D
Oogenesis involves differentiation, but spermatogenesis does not involve any differentiation.
4

Drinking alcohol during pregnancy negatively impacts development of the fetus because

A
the mother’s body is unable to process alcohol.
B
alcohol crosses the placental barrier.
C
the mother can no longer produce primary oocytes.
D
alcohol causes the mother to have facial distortions.
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.
8

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.
10

Which sequence correctly depicts the development of offspring?

A
zygote ® fetus ® embryo ® blastocyst
B
blastocyst ® embryo ® fetus ® zygote
C
fetus ® embryo ® blastocyst ® zygote
D
zygote ® blastocyst ® embryo ® fetus

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