Biology, 04.12.2019 05:31, tytybruce2

Which of the following statements about crossing over is true?

it occurs only between genes that are heterozygous.

it occurs during prophase i and prophase ii of meiosis.

it occurs only in some chromosomes.

it results in reduced genetic variation among gametes.

none of these choices are correct.

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Do you know the correct answer?

Which of the following statements about crossing over is true?

it occurs only between g...