Question

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Character traced in this pedigree is
(a) X-linked recessive - color blindness
(b) X-linked dominant - incontinentia pigmenti
(c) Autosomal dominant - Alzhemer's disease
(d) Autosomal recessive - alkaptonuria​

Answer 1

Answer:

hey dude I don't understand the question

Answer 2

Answer:

(a)

Explanation:

that symbol with a dot is for a carrier of sex linked recessive disease

so X linked recessive disease