Human chromosomal heteromorphism in American blacks. V. Racial differences in size variation of the short arm of acrocentric chromosomes.
D044383:Black People; D002901:Chromosomes, Human, 13-15 / Q000648:ultrastructure*; D002904:Chromosomes, Human, 21-22 and Y / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D008297:Male; D011110:Polymorphism, Genetic; D012737:Sex Factors; D014481:United States / Q000208:ethnology; D044465:White People; D001741:Black or African American