(Solved) : Hypertrichosis Outer Minnae Ear Excessive Hair Y Linked Trait Color Blindness Defective De Q32768750 . . . .

Hypertrichosis (outer minnae of the ear has excessive hair) is aY linked trait. Both color blindness and defective dentine are Xlinked traits, defective dentine is a dominant trait and colorblindness is a recessive trait.

John has hypertrichosis, defective dentine and normal vision. Hemarries Mary who has normal vision and dentine. John’s mother haddefective dentine and his father and paternal grandfather hadhypertrichosis. John’s maternal grandfather was color blind, hadnormal ears and normal dentine while his maternal gradmother haddefective dentine. Mary’s father was color blind as was thepaternal grandmother, but they both had normal teeth and ears.Mary’s mother had normal ears, vision, and