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Biology, 07.06.2021 18:00 abbygreen

What happens to a spermatid to change it into a sperm cell? O Meiosis occurs, making a cell with n chromosomes.
The nuclei of two polar bodies fuse, making a cell with 2n chromosomes.
O A tail is added, making the sperm a motile cell.
O Amembrane hardens, making the sperm a nonmotile cell.

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