sex determination

sex determination
sex determination n the process by which sex and the characteristics distinctive of a sex are imparted to a developing organism

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the process by which the sex of an organism is fixed; it is associated, in humans, with the SRY (sex-determining region Y) gene, located at Yp11.3, which when present acts as a switch to initiate the process of testis formation.

Medical dictionary. 2011.

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