Sexual differentiation in humans Sexual differentiation in humans Sexual differentiation in humans is the process of development of sex differences in humans. It is defined as the development of phenotypic structures consequent to the action of hormones produced following gonadal determination. Sexual differentiation includes development of different genitalia and the internal genital tracts, breasts, body hair, and plays a role in gender identification. The development of sexual differences begins with the XY sex-determination system that is present in humans, and complex mechanisms are responsible for the development of the phenotypic differences between male and female humans from an undifferentiated zygote. Females have two X
Knowing What You Know Now overt technicality and are happy to just enjoy rocking out." Conversely, Cady Siregar from Drowned in Sound gave credit to each track for having pulsating energy and strong vocals, but felt there was an overabundance of angst throughout the production, lyrics that caused the songs to blend with each other and a lack of respite and wisdom to calm the listeners. Adapted from the liner notes of "Knowing What You Know Now". Knowing What You Know Now Knowing What You Know Now is the second studio album by English alternative rock band Marmozets, released by Roadrunner Records on 26 January