In humans the allele coding for normal metabolism of the amino acid phenylalanine (P) is dominant   over the recessive autosomal allele (p) that causes the disease phenylketonuria, or PKU.  Without   treatment, this disease is characterized by brain damage due to the failure of the gene to code correctly     for the enzyme phenylalanine hydroxylase.  If a man marries a woman and both are heterozygous for     hemophilia and heterozygous for PKU, what is the chance that they will have a child afflicted by     both diseases?  Your response MUST include: (a): list the traits involved (example: Color: Blue- B (dominate) Green - b (recessive) -Do not use this example as this is not part of the problem (b): identify if its a monohybrid or dihybrid cross and why (use prompt above) (c): create a punnet square that represents the problem above

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter11: Genome Alterations: Mutation And Epigenetics
Section: Chapter Questions
Problem 16QP: Familial retinoblastoma, a rare autosomal dominant defect, arose in a large family that had no prior...
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  1. In humans the allele coding for normal metabolism of the amino acid phenylalanine (P) is dominant
      over the recessive autosomal allele (p) that causes the disease phenylketonuria, or PKU.  Without
      treatment, this disease is characterized by brain damage due to the failure of the gene to code correctly
        for the enzyme phenylalanine hydroxylase.  If a man marries a woman and both are heterozygous for
        hemophilia and heterozygous for PKU, what is the chance that they will have a child afflicted by
        both diseases? 

    Your response MUST include:
    (a): list the traits involved (example: Color: Blue- B (dominate) Green - b (recessive) -Do not use this example as this is not part of the problem
    (b): identify if its a monohybrid or dihybrid cross and why (use prompt above)
    (c): create a punnet square that represents the problem above
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