If a cell in a fruit fly's wing contains 8 chromosomes, then its gametes contain

There are 4 chromosomes in its haploid gametes.

Explanation:

All gametes are haploid cells. Haploid cells are those that have only one set of chromosomes, represented by the letter n, as they have half of the diploid cell chromosomes. Diploid cells, in turn, are those represented by the letter 2n. In this case, if a cell on the wing of a fruit fly contains 8 chromosomes, then its gametes, which are haploid cells, contain 4 chromosomes.

Reproduction of haploid cells occurs in meiosis. It is at this time of cell division that diploid cells divide and form haploid cells.

Gametes have half chromosomes so that when they unite in fertilization, they are doubled and thus have the number of chromosomes an organism must have. Thus, gametes only perform their function when they find the gamete of the opposite sex to complete the genetic burden.

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