Chromosomal Theory of Inheritance Video Lessons

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Problem: Give the genotypes of the various individuals in the pedigree shown below (Figure 8.1). Show the alleles as superscripts to the X chromosomes, with H representing the normal allele and h the allele for hemophilia.NOTE: Circles represent females, squares represent males, black squares represent hemophiliacs

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The incidence of hemophilia in some of the second generation males show that the mother(I-2) is a carrier of the recessive allele. Likewise, the incidence of hemophilia in the 3rd generation also indicates that the mother (II-6) is also a carrier, with the recessive gene inherited from her mother.

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Problem Details

Give the genotypes of the various individuals in the pedigree shown below (Figure 8.1). Show the alleles as superscripts to the X chromosomes, with H representing the normal allele and h the allele for hemophilia.

NOTE: Circles represent females, squares represent males, black squares represent hemophiliacs

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Based on our data, we think this problem is relevant for Professor Pitzer's class at FIU.