Intercourse linkage pertains to genes which can be situated on the intercourse chromosomes These genes are thought sex-linked because their inheritance and expression habits vary between men and women. While intercourse linkage isn’t the just like genetic linkage, sex-linked genes may be genetically connected (see base of web web web page). Intercourse Chromosomes Intercourse chromosomes see whether a person is man or woman. The sex chromosomes are X and Y. Females have two X chromosomes, and males have an X and a Y in humans and other mammals. Non-sex chromosomes will also be called autosomes. Autosomes also come in pairs of homologous chromosomes. Homologous chromosomes have a similar genes arranged within the exact same purchase. Therefore for several for the genes regarding the autosomes, both men and women have actually two copies.