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A square jaw is recessive to a round jaw (dominant), It is possible for two parents with a square jaw to have a child with a round jaw? Why or Why not?
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A square jaw is recessive to a round jaw (dominant), It is possible for two parents with a square jaw to have a child with a round jaw? Why or Why not?

User Steve Harrington
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No, it would not be possible since both alleles in the genotype are recessive. If the alleles were xx for square jaws, then
x x
x xx xx

x xx xx

would be the possible genotypes for the offspring
User JamieD
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