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07-10-2021
Biology

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when does crossing over occur? how many chromatids are involved? how many homologous chromosomes?

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yanaurisdiaz0 yanaurisdiaz0

17-10-2021

Answer:

The normal human karyotype is made up of 46 chromosomes: ... The 2 sister chromatids are linked mainly by a paracentric heterochromatin ...

Explanation:

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