Based on experiments of sexual intercourse reversal in hemp, it had been 1st reported by K. Hirata in 1924 that an XY intercourse-determination system is existing.[29] At some time, the XY system was the sole recognized system of sexual intercourse dedication. The X:A system was very first explained in Drosophila https://online-thca-flower63826.timeblog.net/69071541/psychoactive-effects-secrets