xii. reproductive system Flashcards
1
Q
sex is determined at the moment of conception by a spermatozoon containing an X or Y chromosome by chromosomal analysis on the mother’s bloodstream
A
8th week:
2
Q
after implantation: the gonads (ovaries or testes) form. if testes form, testosterone is secreted to influence the development of male organs. in the absence of testosterone secretion, female organs will form.
A
6th week
3
Q
A
