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
What You Get Is What You See What You Get Is What You See "What You Get Is What You See" is a song by recording artist Tina Turner from her album "Break Every Rule" (1986). The song was written by the Terry Britten and Graham Lyle team and was notably different from the three previous singles that they had written for Turner, "What's Love Got to Do with It", "We Don't Need Another Hero" and "Two People", as it was an up-tempo country-tinged rock track featuring Eric Clapton on guitars. Tina Turner said in an interview that "What You Get Is What You See" is her