No. 508] HEREDITY OF HAIR COLOR IN MAN 



205 



X. Distribution 



Both Parents Have Bed Visible i 



Has Bed Visible in Hair 



br. br. 



! red dk.br. dk.br. br. N. br. 



! red.-br. br. chest. br. br. br. 



dk.red lt.br. dk.red N. dk.br. dk.t 



br. dk.red red br. N. br. 



lt.br. dk.red N. N. - - 



i.br. dk.red — — - 



,ndy dk.br. 



dk.red 



.-red N. 



2 3 5 5 1 2 1 



; Bed Visible in Hair 



3. When, on the other hand, both parents, though very 

 dark, produce "red hair" gametes, about three sixteenths 

 of the offspring will have clear red hair. (Table IX, a; 

 the ratio is 3 in 12.) 



