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Pre-Lab Questions
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1
The ovum and sperm unite and form a diploid cell called the
A)pronucleus.
B)blastocyst.
C)morula.
D)zygote.
2
The ________ is the development stage that implants in the endometrium.
A)morula
B)blastocyst
C)zygote
D)2-cell stage
3
Which of the following is not an extraembryonic membrane?
A)umbilical cord
B)amnion
C)chorion
D)yolk sac
4
The placenta is comprised of
A)only the myometrium.
B)only the decidua basalis.
C)only the chorionic villi.
D)combinations of the decidua basalis and chorionic villi.
5
The embryonic stage of human development exists
A)from fertilization until implantation.
B)through the first four weeks of development.
C)through the first eight weeks of development.
D)from fertilization until birth.
6
The zona pellucida gel layer surrounds the secondary oocyte and early development stages through the morula.
A)True
B)False
7
A single completed oogenesis sequence produces four functional ova (eggs).
A)True
B)False
8
A single completed spermatogenesis sequence produces four functional sperm.
A)True
B)False





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