What are the genotypes of the woman-her father

A woman has a rar abnormality of the eyelids called ptosis, whichprevents her from opening her eyes completely. This condition iscaused by a dominant allele, P. The woman’s father had ptosis, buther mother had normal eyelids. Her father’s mother had normaleyelids.

(a) What are the genotypes of the woman, her father, and hermother?

(b) what proportion of the woman’s children will have ptosis if shemarries a man with normal eyelids?

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