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Think about a cross between two strains of peas that differ at all seven of the traits that Mendel used (a heptahybrid cross)? Among the F2 offsprings:
A. What proportion would you show the recessive phenotype of all 7 traits?
B. What proportion would those showing the recessive trait would you expect to breed true?
C. What proportion would you expect to show the dominant phenoype for all 7 traits?
D. What proportion of those showing the domiant trait would you expect to breed true?

2. Consider the same heptahybrid cross, what proportion of the F2 offspring would you expect to dominant phenotype at any 5 of the 7 traits (and the recessive at the others)?

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Category:- Biology
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