Homework Help: Biology - Genetics

Posted by Lisa on Tuesday, January 10, 2012 at 9:07pm.

Please help me!!!! I need help with this practice test question.

In Guinea pigs, the brown coat (B) is a dominant over the cream-coloured coat (b), and straight hair (H) is dominant over curly hair (h). Using a Punnett square, complete the cross between a heterozygous brown, curly-haired individual and a cream-coloured, homozygous straight-haired individual. State the parent genotypes, gametes, and the F1 Phenotypes and genotypes.

Biology - Genetics - PsyDAG, Wednesday, January 11, 2012 at 1:28pm
Bbhh and bbHH, so second parent can only give bH gametes. Use Punnett square to take it from there.

http://www.google.com/search?client=safari&rls=en&q=punnett+square&ie=UTF-8&oe=UTF-8

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