Testis-determining factor

Definition

noun

The protein produced from the testis-determining factor gene, and triggers the development of embryo into becoming a male.


Supplement

The presence of TDF in humans (and other species) leads to the development of male sex organs whereas the lack of these proteins results in embryo developing as physically female.


Abbreviation: TDF

Synonym: SRY protein

See also: sex chromosome, Y chromosome, TDF gene

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