RikkiLougs

давным давно посмотрел и забыл ужэ......
This system is used by birds, some fish, https://samacharline.com/have-older-http-salon-webcam-com-profils-c30308-going-out-with-help/and in addition a number of crustaceans. All platypus eggs have five X chromosomes, while as spermatozoa can have either five X chromosomes or five y chromosomes.