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/.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018