I may finally call attention to the probability that the association of paternal and maternal chromosomes in pairs and their subsequent separation during the reducing division as indicated above may constitute the physical basis of the Mendelian law of heredity. — Walter Sutton Copy Share Image
“The parents of a child provided, on average, half the content of that feature; the grandparents, a quarter; the great-grandparents, an eighth-and so forth, all the way back to the most distant ancestor. The sum of all contributions could be… — Siddhartha Mukherjee Copy Share Image
