-3 sons-normal color vision 1 daughter (Harleen)-normal color vision The d aught

Question

-3 sons-normal color vision 1 daughter (Harleen)-normal color vision The d aughter from family #2 (Harleen) marries one of the sons from Family # 1 (wai). They have 5 children: -3 daughters (one is colorblind) --2 sons (one is colorblind) ne the pedigree shown below. Determine the mode of inheritance for the character in autosomal recessive, autosomal dominant, X-inked recessive or X-linked Pedigree Asshinantfor this and justify your answer (explain how you know that your answer is correct). Assume that the u 2. Exami question naffected individuals in generation I are homozygous. Mode of Inheritance:

Explanation / Answer

The mode of inheritance is clearly AUTOSOMAL DOMINANCE and the starting genotype of 1 and 2 are Ii x ii, I being the infected and i being normal. As a result almost half of the population is infected which have Ii genotype, I being dominant which when again mated with a homozygous normal, gives 50% normal and 50% infected.

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