portion and not to all the semen. The emitted semen contains in a single ejaculation, along with its other constituents, sperms numbering of about 500 million. One out of hundreds of millions of sperm fertilizes the ovum.
In Surah 53: 45-47 and Surah 36-40; it is the semen of man which determines the sex of the baby.
Surah 53:45-47
[45] That He did create in pairs, male and female,
[46] From a “Nutfah” of semen when lodged (in its place);
[47] That He hath promised a Second Creation (rising of the Dead);
Surah 75:36-40
[36] Does Man think that he will be left uncontrolled, (without purpose)?
[37] Was he not a “Nutfah” of sperm emitted (in lowly form)?
[38] Then did he become a clinging “Alaquah”; then did (Allah) make and fashion (him) in due proportion.
[39] And of that “Nutfah” He made two sexes, male and female.
[40] Has not He, (the same), the power to give life to the dead?
In the above verse, it is “of that “Nutfah” (part of semen) that Allah made the two sexes, male and female.
Hence human male is responsible for the birth of a male child or a female child. The human female is not responsible for the sex determination of the child. However, in many Muslim countries the woman is blamed for the birth of a female child as in these countries they welcome the arrival of a male child.
The year 1956 is considered to mark the beginning of modern human Cytogenetics. The sex of the fetus is determined by the father’s sperm. The female ovum contains only the X chromosomes. If the sperm, or the emitted drop of semen contains the Y chromosome,