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Biology, 22.06.2019 09:30
Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
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Biology, 22.06.2019 11:30
If a human has 23 pairs of chromosomes in every muscle cell of its body how many chromosomes will be in a human egg or sperm
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How do reflexes protect the body from injuries...
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