Genes control the sex of a developing embryo.
Proteins do not directly control the sex of a developing embryo. The sex of an embryo is determined by the combination of sex chromosomes inherited from the parents. In mammals, the presence of a Y chromosome typically leads to the development of a male, while its absence results in a female.
No. The sex of the embryo is determined at the time of conception.
In the early stages of development, an embryo's sex is not yet determined. The sex of the embryo is determined by the presence or absence of a Y chromosome from the father. Once the sex chromosomes are determined, the embryo will develop into a male or female.
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The temperature they are incubated in.
The X and Y sex chromosomes. If the embryo inherits an X and Y chromosome, it will be male. If the embryo inherits two X chromosomes, it will be female.
No, sex is safe during pregnancy.
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Typically, the sex of an embryo can be determined through ultrasound around 18-20 weeks of pregnancy. Genetic testing through techniques like preimplantation genetic testing can also be done at earlier stages to determine the sex of the embryo.
An embryo, male or female, usually has two sex chromosomes, one from mom, one from dad. In a male's case, they would be XY. Rarely, nondisjunction occurs, and a child winds up XXX, XXY, XYY, or X. XXX and X become female, and XXY and XYY become male. So, it is theoretically possible for a male embryo to have three sex chromosomes.
No, you do not lose protein during sex. Protein is an essential nutrient that is not lost from the body through sexual activity.
Their sex is predetermined well before he's been born. The sperm that joins with the egg must be a Y chromosome for the embryo and fetus to be male. The fetus starts developing its male parts in the first part of the 1st trimester.