Question

From the given pedigree:
(a) Predict the mode of inheritance.
(b) Write three points about the inheritance pattern with one example.

Answer 1

(a) The mode of inheritance shown in the pedigree is autosomal dominant inheritance.

(b) The inheritance pattern shows following characteristics:

(i) The disease does not skip any generation.

(ii) The males and females are affected equally.

(iii) A single copy of the mutated allele would result in the appearance of the disorder. There is no carrier for the disease.

For example, Huntington's Disease.