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The human reproductive system includes the male reproductive system, which functions to produce and deposit sperm, and the female reproductive system, which functions to produce egg cells and to protect and nourish the fetus until birth.
The genetic sex is determined by whether a Y bearing or next bearing sperm fertilizes the open; the presence or absence of a Y chromosome in turn determines whether the gonads of the embryo will be testes or ovaries; and the presence or absence of testes, finally, determines whether the sex accessory organs and external genitalia will be male ...
This is specifically based on the 23rd pair of chromosomes that is inherited. Since the mother's egg contains an X chromosome and the father's sperm contains either an X or Y chromosome, it is the male who determines the fetus' sex. If the fetus inherits the X chromosome from the father, the fetus will be a female.
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The (e) after Mann and Kind signifies a now largely archaic -e ending for certain nouns in the dative. It survives today almost exclusively in set phrases such as zu Hause (at home, lit. to house), im Zuge (in the course of), and am Tage (during the day, lit. at the day), as well as in occasional usage in formal prose, poetry, and song lyrics.
In Latin grammar, a double dative is the combination of a dative of reference with a dative of purpose.A common translation is "As a (dative of purpose) with reference to (dative of reference)."
Let be an arbitrary set and a Hilbert space of real-valued functions on , equipped with pointwise addition and pointwise scalar multiplication.The evaluation functional over the Hilbert space of functions is a linear functional that evaluates each function at a point ,