Question

what is crossing over​

Answer 1

Answer:

Crossing over is the swapping of genetic material that occurs in the germ line. During the formation of egg and sperm cells, also known as meiosis, paired chromosomes from each parent align so that similar DNA sequences from the paired chromosomes cross over one another.

Explanation:

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Answer 2

Answer:

the exchange of things between homologous chromosomes, resulting in a mixture of parental characteristics in offspring is called cross over

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