Meiosis (crossing over)??

Biology
Tutor: None Selected Time limit: 1 Day

Describe two evolutionary consequences if the process of crossing over in meiosis ceased to occur.

 
Jun 11th, 2015

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1.  All linked alleles would remain linked indefinitely - no chance of them assorting independently. 

 
2.  This would limit the phenotypic diversity in a population. 
 
3.  A beneficial allele on the same chromosome as a deleterious allele would have essentially no chance of ever being inherited separately;  natural selection would always occur on all the alleles that had to be inherited together together

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Jun 11th, 2015

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Jun 11th, 2015
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