| 1. | X chromosome | The X chromosome is one of the two sex-determining chromosomes in many animal species, including mammals (the other is the Y chromosome). It is a part of the XY sex-determination system and More… 2.3 KB |
| 2. | X linked Severe Combined Immunodeficiency | X-linked Severe Combined Immunodeficiency (X-SCID) as its name suggests, is an immunodeficiency disease which causes deficiency of lymphocytes, cells that help protect our bodies. This More… 2.3 KB |
| 3. | X linked alpha thalassemia mental retardation syndrome | Caused by mutations in the ATR X gene. ATR X syndrome is characterised by severe learning difficulties, a characteristic facial appearance, abnormal genitalia and alpha thalassemia. The ATR More… 0.5 KB |
| 4. | X linked hypophosphatemia | (hypophosphatemic rickets, vitamin D-resistant rickets) is an X-linked dominant form of rickets (or osteomalacia) that differs from most cases of rickets in that ingestion of Vitamin D is More… 0.6 KB |
| 5. | X linked ichthyosis | (XLI) is a skin condition caused by the hereditary deficiency of the steroid sulfatase (STS) enzyme that affects 1 in 2000 to 1 in 6000 males. XLI manifests with dry, scaly skin and is due More… 1.4 KB |
| 6. | X-linked adrenal hypoplasia congenita | X-linked adrenal hypoplasia congenita is a genetic disorder that mainly affects males. It involves many endocrine tissues in the body, especially the adrenal glands. One of the main More… 2.2 KB |
| 7. | XX male syndrome | (also known as de la Chapelle syndrome, for a researcher who characterized it in 1972) is a rare sex chromosomal disorder. Usually it is caused by unequal crossing over between X and Y More… 0.7 KB |
| 8. | Xanthinuria | also known as xanthine oxidase deficiency, is a rare genetic disorder causing the accumulation of xanthine. It is caused by a deficiency of the enzyme xanthine oxidase. It was first More… 0.9 KB |
| 9. | Xeroderma pigmentosa | or XP, is an autosomal recessive genetic disorder of DNA repair in which the ability to repair damage caused by ultraviolet (UV) light is deficient. This disorder leads to multiple More… 3.1 KB |
| 10. | Xeroderma pigmentosum | Xeroderma pigmentosa, or XP, is an autosomal recessive genetic disorder of DNA repair in which the ability to repair damage caused by ultraviolet (UV) light is deficient. This disorder leads More… 1.9 KB |
| 11. | Xerophthalmia | is a medical condition in which the eye fails to produce tears. It may be caused by a deficiency in vitamin A and is sometimes used to describe that lack, although there may be other causes. More… 1.1 KB |
