FACTOID. “In diploid species one sex chromosome (the X or Z) is regularly present in two copies in one sex and undergoes crossing over, whereas the sex-specific chromosome or region is always heterozygous and nonrecombining.”
http://www.nature.com/hdy/journal/v95/n2/full/6800697a.html
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022