Help with genetics?
When exposed to bright sunlight, some people involuntarily sneeze. This reaction is known as a photic response. It is controlled by a single gene with two alleles, H and h. A man and a woman who sneeze when exposed to bright sunlight are both heterozygous for the photic response trait. Draw a Punnett Square using...
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answers:
HNizzles say: Hh x Hh = HH, Hh, Hh, hh
Phenotypes = 75% photic responders, 25% non-responders
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