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Did you understand that the likelihood of having a child or a woman is identified by genes? Besides, foetal sex relies on whether the sperm cell lugs an X or Y sex chromosome. Do you want to know why? It's all in this short article, where we likewise speak with you about the new approaches for figuring out the sex of your infant prior to your 16-week ultrasound check.
What is the hereditary distinction between a female and a male embryo?
We have already seen this in short articles such as What is DNA?, in each of our cells, humans have 23 pairs of chromosomes (on the whole, 46 chromosomes).
The very first 22 sets of chromosomes are called "autosomal" as well as coincide in both sexes.
Nonetheless, the chromosomes of pair 23 are different in men and also women and are called sex chromosomes:
Pair 23 chromosomes in women: XX.
Set 23 chromosomes in men: XY.
The chance of having a boy or a girl according to genetics
Firstly, we need to chat a bit concerning gametogenesis, which is the procedure in which sex cells are created. That is, sperm in the case of males, and eggs in women.
These sex cells, i.e. the egg as well as sperm cells, do not include 23 sets of chromosomes like the rest of the cells in the body, but have 23 chromosomes each. Consequently, when a sperm cell fertilises an egg, they develop a zygote which will certainly have all 46 chromosomes, 23 from the mommy and 23 from the papa.
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BGI Genomics
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Tommy Ru |
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17722567742 |
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