Penis size is determined by a variety of factors — the biggest being and the rest of the components of male genitalia, including the penis.
Human penises vary in size on a number of measures, including length and circumference . In humans, the AR gene located on the X chromosome at Xq 12 which may determine the penis size. The SRY gene . Males may quite easily underestimate the size of their own penis relative to those of others. A survey by.
The growth rate during puberty varies from one male to another. Penis size is determined by hormone exposure and varies greatly from one.