Question

(4) How is sex determined of a foetus?

Answer 1

Answer:

Men determine the sex of a baby depending on whether their sperm is carrying an X or Y chromosome. An X chromosome combines with the mother's X chromosome to make a baby girl (XX) and a Y chromosome will combine with the mother's to make a boy (XY).

Explanation:

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Answer 2

Sonographic fetal sex determination in the late second trimester is based on direct visualization of the external genitalia, whereas in the late first and early second trimester, it is based mainly on the direction of the genital tubercle (the “sagittal sign”): downward direction of the genital tubercle indicates a ...