How Is Sex Of Embryo Determined - Free Porn Photos, Best Sex Pics and Hot XXX Images on www.boobslevel.com
"The sex of a baby is determined.
Therefore, genetic sex of the individual is determined at the time of fertilization; fertilized eggs containing an XY sex chromosome complement are genetic.
The fetus appears to be sexually indifferent, looking neither like a male or a female. Over the next five weeks, the fetus begins. Sex is determined at conception by the combination of X and Y sex chromosomes a baby receives from the egg and.