Question

how is sex determined in human beings ? explain with help of flow chart

Answer 1

when a sperm carrying X chromosome fertilizes an ovum., the zygote develop into female (XX condition). when sperm carrying Y fertilize an ovum, the zygote develop into male (XY condition). Thus, sex determined in human being.
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Answer 2

Explanation: somatic cells in human beings contain 23 pairs of chromosomes. Which are named as X and y chromosomes.xxiii pair contains one X and y one y chromosomes in a mail on the other hand xxiii Prerna female contains X chromosomes this means that all the eggs wood have X chromosome as xxiii chromosome while a sperm may have idea X aur y chromosome as a 23rd chromosome. When sperm with X chromosome fertilizes the egg the resulting zygote develops into a female child when a sperm with y chromosome fertilizers the egg the resulting zygote would develop into a male child.

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