If a human zygote has either 45 or 47 chromosomes it might be assumed that this was due to random fertilization.
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Q41: Mitosis occurs in germ cells throughout life.
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Q62: Pollen contains _ that produce _.
A)Gametophytes, spores
B)Sporophytes,
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Q64: There are two divisions in meiosis resulting
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Q68: A male having an extra X chromosome
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