English version

Y chromosome in Microbes, genetics, biochem topic

From Longman Dictionary of Contemporary EnglishY chromosomeY chro‧mo‧some /ˈwaɪ ˌkrəʊməsəʊm $ -ˌkroʊməsoʊm/ noun [countable]  HBMthe part of a gene that makes someone a male instead of a femaleX chromosome
Examples from the Corpus
Y chromosomeThe fetus becomes male only when it both has a Y chromosome and is acted upon by androgenic hormones.Consequently, a Cain gene on an X chromosome can safety kill the Y chromosome and not risk suicide.In man, for instance, the genes that control gender are on the Y chromosome.