Genes E and H are syntenic in an experimental organism with the genotype EH/eh. Assume that during each meiosis, one crossover occurs between these genes. No homologous chromosomes escape crossover, and none undergo double crossover.

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Part A

Are genes E and H genetically linked?

 

Part B

Why or why not?

 

Part C

What is the proportion of parental gametes produced by meiosis?

asked Nov 22, 2012 in Genetics by GeneX ~Top Expert~ (7,947 points)
    

1 Answer

0 votes

Part A

no

 

Part B

Single crossover in every meiosis results in production of equal proportion of EHEheH, and eh gametes. EH and eh are parental gametes, whereas Eh and eH are recombinant gametes.

 

Part C

50%

answered Nov 22, 2012 by GeneX ~Top Expert~ (7,947 points)

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