Which Parent Determines The Sex Of The Baby
Which Parent Determines The Sex Of The Baby. There are two kinds of sex chromosomes, x or y. A father’s sperm determines a baby’s gender. Chromosomes Are So 20th Century…
Which Parent Determines The Sex Of The Baby. There are two kinds of sex chromosomes, x or y. A father’s sperm determines a baby’s gender. Chromosomes Are So 20th Century…