During mammalian development, a
A) morula becomes a blastula.
B) morula becomes gastrula.
C) gastrula becomes a morula.
D) zygote becomes a blastula.
E) blastula becomes a zygote.
Correct Answer:
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Q25: In the 1920s, two German embryologists, Hans
Q26: The umbilical cord of a mammal connects
Q27: In humans, fertilization occurs in the
A) uterus.
B)
Q28: At which stage is the human embryo
Q29: At what stage does a human embryo
Q31: A developing human is considered an embryo
Q32: Transplanting embryonic eye tissue into the back
Q33: The structure produced by cleavage of a
Q34: In humans, implantation occurs
A) immediately after fertilization.
B)
Q35: A human embryo is known as a
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