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Whose genes determine the child’s gender? How is it determined?
The child’s sex is generally determined between weeks 16 and 20 of pregnancy. However, in some cases the sex can be determined as early as the 14th week. The baby’s gender is based on genetic factors and depends on the father’s sex chromosomes.
The factor that produces a male child is that the father carries a Y chromosome. While women have two X chromosomes, men have one X and one Y chromosome. So when a male child is born, the father’s sperm cell carries a Y chromosome. When this sperm combines with the mother’s X chromosome, a male child is born.
On the other hand, if a female child is born, the father’s sperm cell carries an X chromosome. In this case, combining with the mother’s X chromosome produces a female child. Therefore, the answer to “Whose genes determine the child’s gender?” is: the factor that determines the baby’s sex is the chromosome carried by the father.
The first trimester of pregnancy is a critical period for sex determination. During this period, the baby’s external genital organs begin to develop and gender prediction can be made using ultrasound. However, weeks 16 to 20 are usually preferred for a definitive result, because the baby’s reproductive organs can be seen more clearly at this stage.
In summary, the child’s sex depends on the father’s sex chromosomes. For a male child to be born, the father must carry a Y chromosome. However, sex determination is an entirely genetic process, and some exceptional cases may also exist.
Preparing for the gender
Pregnancy is one of the most important and exciting periods in a woman’s life. The arrival of a new being brings joy and curiosity. Knowing the gender can strengthen the bond between parents and the baby and help them make the right preparations.
In addition to determining the sex, the baby’s health can also be assessed during pregnancy. The RapidNIPT (non-invasive prenatal test) can be performed during pregnancy.
RapidNIPT analyzes the baby’s genetic material using the mother’s blood sample and evaluates it for chromosomal abnormalities. For detailed information about RapidNIPT, you can follow the What Is RapidNIPT? link.
