Fragmented medullary hair are found in
High-Yield Explanation
A i.e. Negro - Anteroposterior diameter (i.e. length) of skull is minimum in Brachycephaly4 (sho headed) and maximum in DolicocephalyQ. - The skull of Aryan's (Indians), Arborigines & Negroes is dolico-cephalic, with cephalic index between 70 - 75Q. Radio humeral index is80 in blacks. Tibio femoral index is83 in Blacks. - Cephalic Index, Height Index & Nasal Index are used for determination of raceQ - Mongols have maximum cephalic index ( 80) & height index (75) with rounded nasal openings, orbits & palateQ