SRY gene
noun Genetics.
a sex-determining gene on the Y chromosome in mammals that determines maleness and is essential for development of the testes.
Also called tes·tis-de·ter·min·ing gene [tes-tis-di-tur-muh-ning] /ˈtɛs tɪs dɪˌtɜr mə nɪŋ/.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019