2014 Ramos Family Reunion-Quebradillas, Puerto Rico. July 24, 2014 Â· Edited Â·.
Tag: Which feature is the determining factor in an alligator embryoâs gender development? Posted on January 25, 2018 [Ans] Which feature is the determining factor in an alligator embryoâs gender development? Which feature is the determining factor in an alligator embryoâs gender development? -Egg temperature
Thus, XX mammals are female and XY are male. In humans, biological sex is determined by five factors present at birth: the presence or absence of a Y chromosome, the type of gonads, the sex hormones, the internal reproductive anatomy (such as the uterus in females), and the external genitalia.