Question

which sex chromosomal combination in the zygote is responsible for the formation of testes????

Answer 1

combination of 'y' chromosome (from male parent) with 'x' chromosome (of female parent) to form 'xy' is responsible for formation of testes as xy will give rise to a boy. 'y' chromosome is responsible as male can release both x and y chromosome while female always and can only release x chromosome.

Answer 2

Answer:

xy is the right answer

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