2. In humans, thalassemia shows incomplete dominance; heterozygotes exhibit a mild form of the disease (thalassemia minor) and homozygotes, a much more severe form (thalassemia major). The inheritance of the ABO blood group system exhibits both complete dominance (alleles IA and |B are dominant to allele i) and codominance (alleles IA and IB). Both members of a couple have thalassemia minor. The husband has blood type A; his mother has blood type O. The wife has blood type AB. What is the probability that they will have a child with: A. thalassemia minor and blood type B? b. thalassemia maior and blood type AB?
2. In humans, thalassemia shows incomplete dominance; heterozygotes exhibit a mild form of the disease (thalassemia minor) and homozygotes, a much more severe form (thalassemia major). The inheritance of the ABO blood group system exhibits both complete dominance (alleles IA and |B are dominant to allele i) and codominance (alleles IA and IB). Both members of a couple have thalassemia minor. The husband has blood type A; his mother has blood type O. The wife has blood type AB. What is the probability that they will have a child with: A. thalassemia minor and blood type B? b. thalassemia maior and blood type AB?
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter12: Mendel, Genes, And Inheritance
Section: Chapter Questions
Problem 7TYK: In cats, the genotype AA produces tabby fur color; Aa is also a tabby, and aa is black. Another gene...
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