Fruit flies can have straight wings (S) or curly wings (s), and they can have be female XX or male XY. (A) For a standard monohybrid cross (Ss ´ Ss), what proportion of the offspring will have the genotype ss? (Express the proportion as a simple fraction) (B) For the following cross (SsXX ´ SsXY), what proportion of the offspring will have the genotype Ss? (Express the proportion as a simple fraction) (C) What proportion will have the genotype XX? (Express the proportion as a simple fraction) (D) What proportion will have the genotype SsXX? (Express the proportion as a simple fraction) SHOW YOUR WORK
Fruit flies can have straight wings (S) or curly wings (s), and they can have be female XX or male XY.
(A) For a standard monohybrid cross (Ss ´ Ss), what proportion of the offspring will have the genotype ss? (Express the proportion as a simple fraction)
(B) For the following cross (SsXX ´ SsXY), what proportion of the offspring will have the genotype Ss? (Express the proportion as a simple fraction)
(C) What proportion will have the genotype XX? (Express the proportion as a simple fraction)
(D) What proportion will have the genotype SsXX? (Express the proportion as a simple fraction)
SHOW YOUR WORK
S denoting for straight wings is a Dominant or wild type trait. And s denotes recessive trait for curly wings.
Female -XX
Male -XY
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