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 Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN:9781305073951
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter13: Observing Patterns In Inherited Traits
Section: Chapter Questions
Problem 4GP
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