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Unformatted text preview: 7. What test could you perform to help determine the genotype of an unknown? Testcross The completely dominant autosomal allele ( A ) for skin pigmentation allows the expression of skin color, and the alternate recessive allele ( a ) prevents skin pigmentation, thereby causing albinism. Frank is an albino man who has normally pigmented father and a mother who is albino. For the following, indicate the skin pigment alleles and the sex chromosomes. 8. What is Frank’s genotype? XY, aa 9. What is Frank’s father’s genotype? XY, Aa 10. Frank marries a woman who is a carrier for the albinism allele. What is the probability that they will have a phenotypically normal child? 1/2...
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This note was uploaded on 05/08/2009 for the course MCB 2410 taught by Professor Nelson during the Spring '08 term at UConn.
- Spring '08