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who showed that sexual phenotype depends on gonads?

where is the testis-determining gene?

what phenotype develops if you have no gonads?

what is required for normal ovary development in females?

can normal testes develop if theres no sperm?

where do gonads develop?

what do gonadal ridges contain?

how many weeks after fertilisatoon do gonadal ridges form?

what doesthe gonadal ridges form on?

primordial germ cells appear close to what?