Which of the following statements about crossing over is true?

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It occurs in prophase of meiosis II.

  

Chromosomes that result from crossing over have a mixture of paternal and maternal alleles.

  

It decreases the genetic variability of gametes produced by meiosis.

  

Chiasmata form between sister chromatids.

 

asked Dec 27, 2012 in Biology by anonymous
    

1 Answer

0 votes

 

Chromosomes that result from crossing over have a mixture of paternal and maternal alleles.

 

answered Dec 27, 2012 by anonymous



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