What does it mainly depend on to have a boy or a girl?

　　Who does it mainly depend on whether a boy or a girl is born? Many friends will think that having a boy or a girl depends on the woman, but there are also opinions on the Internet that it depends on the man. So which of these two results is correct? Don't worry, now let's find out with private talk who mainly depends on whether a boy or a girl is born.

　　Who does it mainly depend on whether it is a boy or a girl? Many people want to know. Nowadays, many parents are looking for secret recipes everywhere in order to have a son or daughter. The secret recipes are overwhelming, but many of them are unscientific.

　　For example, if you are pregnant, sperm The moment it combines with the egg to form a fertilized egg, fetus The gender has already been formed, so the secret recipe after pregnancy is unscientific. So who mainly depends on whether a boy or a girl is born? female The chromosome is XX, male The chromosomes of a woman are XY, while women generally only form one egg. There are two forms of male sperm, one is X sperm and the other is Y sperm. When the male's X sperm combines with the female's egg, an XX chromosome will be formed, which is a girl. When the male's Y sperm combines with the female's egg, an XY chromosome will be formed, which will be a girl. boy . The probability of forming XX and XY is equal and random, so let it be.