Albinism is a congenital disorder resulting from the lack of the enzyme

Mendel proposed which of the following term for hereditary units

Select the incorrect statemant from the following.

Albinism is known to be due to an autosomal recessive mutation. The first child of a couple with normal skin pigmentation was an albino. What is the probability that their second child will also be an albino

Complete dominance is absent in

Philadelphia chromosome is