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The gene for thumb-bending ability has two alleles: no hitchhiker's thumb (H) and hitchhiker's thumb (h).

If a Punnett Square were used to genetically cross a mother with the genotype hh and a father with the genotype Hh, which genotype should be written in the upper-left square?
A. hh
B. Hh
C. HH

User Targnation
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1 Answer

6 votes
B : Hh

This would be written in the upper left corner
User Nimesh Patel
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