Study the given pedigree chart and answer the questions which follow:

CBSE Class 12
1

Study the given pedigree chart and answer the questions which follow:
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2

a) The trait is recessive.
b) The trait is autosomal.
c) The genotype of the parents in generation I is Aa and Aa. In generation II, the genotype of the third child is aa and that of the fourth child is Aa.