Question

what is chiasmata???​

Answer 1

Answer:

In genetics, a chiasma is the point of contact, the physical link, between two chromatids belonging to homologous chromosomes. At a given chiasma, an exchange of genetic material can occur between both chromatids, what is called a chromosomal crossover, but this is much more frequent during meiosis than mitosis.

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Answer 2

Answer:

Chiasmata are X- shaped structure formed at the point below the brain where the two optic nerves cross over each other.