Women Xx Or Xy - Inkandswitch News
People usually have two sex chromosomes. Typically, embryos with one x and one y chromosome develop into males. And those with two x chromosomes usually become females.
In the xy sex-determination system, the female-provided ovum contributes an x chromosome and the male-provided sperm contributes either an x chromosome or a y chromosome, resulting in female รขโฌยฆ
