1. How is the genetic
determination of sex
established in humans?

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In the diploid genome human beings
there are chromosomes, 44 of them
autosomes and two are
chromosomes. The individual inherits
of these chromosomes from
parent.

The human sex are called
X chromosome Y chromosome.
Individuals having X chromosomes
(44 + ) are female. Individuals
having X chromosome and one
chromosome (44 + XY) male.
(Individuals 44 + donot exist since
the Y is exclusively from
lineage.)