By the early 1900s, scientists had discovered chromosomes inside cells and knew that they occurred in pairs, that one partner of each pair was provided by each parent during reproduction, and that fertilization restored the paired condition. This behavior of chromosomes paralleled the observations of Austrian botanist Gregor Mendel, first published in 1866, which showed that traits in pea plants segregated and were assorted independently during reproduction. This led geneticists Walter Sutton,... więcej

Salem Press Encyclopedia of Health, 2022. 3p.