Fig 4 - uploaded by Saiful Islam
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7 showing the polygenic inheritance of skin colour in man involving 3 pairs of genes (=6 alleles) where the F2 ratio is 1: 6: 15: 20: 15: 6: 1, ranging from white (very light) through medium (mulatto or brown) to black (very dark) phenotypes
Source publication
This book is a compilation of topics for undergraduate (B. Sc. Hons.) students in biological sciences, Zoology in particular. It covers such introductory lessons as Mendelism, simple Mendelian traits, linkage, crossing-over, multiple and pseudoalleles, sex-linked inheritance, sex determination and differentiation, dosage compensation, mutations, cy...
