Question
  1. Blood type is an autosomal trait that shows co-dominance. A man of type AB (IAIB) blood is married to a woman of type O (ii) and he questions the paternity of her child, who has type O(ii) blood.  What should the legal judgment be?
  2. In humans, hair texture is an autosomal trait that displays incomplete dominance. A curly-haired individual (HCHC) marries a straight-haired individual (HSHS), and do all their children have wavy hair? Show this mating.
  3. Tay-Sachs is an autosomal disease. Two carriers (Nn) of the Tay-Sachs disease marry and have children. To have the disease a person must have the recessive genotype: “nn”.

    What are the possible genetic outcomes and probabilities for their children?

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