Boy or Girl: Who Determines the Sex of a Baby?

Boy or Girl: Who Determines the Sex of a Baby?

08:37 3rd February 2017 | Sex Determination

Pregnant Sex of Baby Sex Chromosomes X Chromosomes Y Chromosomes Genes Boy Girl Sexual Organs Hormones Embryonic Gonad Male Structure Female Structure Ovaries Female Hormone First Trimester Ultrasound

Once a couple finds out they are pregnant, it is only natural for them to be curious if they will have a boy or a girl. This blog post will explain the biological process that determines the sex of the baby.

Basic Introduction on Sex Determination

Humans have one pair of sex chromosomes. Women have two “X” chromosomes, while men have an “X” and a “Y”. The presence or absence of the “Y” chromosome is what determines the sex of a ba...

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