Chemistry, 12.01.2021 21:50 bc3286

Did you know that Females have two X chromosomes in their cells, while males have both X and a Y chromosomes in their cells. Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome. This arrangement means that it is the male that determines the sex of the offspring when fertilization occurs. I never knew that until I took my science test.

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