Looking at the pedigree below, determine the probability that IV-3, and IV-4 are carriers (heterozygous) of PKU. (Their great grandmother, whose circle is shaded, had PKU.)
If second cousins IV-3 and IV-4 were to procreate, what are the odds that they would have a PKU-affected child?
If IV-3 were to marry an unaffected man from the general population, what are the chances that he would be a PKU carrier (is heterozygous)?
What are the chances that they would have a PKU-affected child?
Answers: 2
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Looking at the pedigree below, determine the probability that IV-3, and IV-4 are carriers (heterozyg...
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