Congenital Abnormalities in Man | Genetics

The following points highlight the four major types of congenital abnormalities found in man. The types are: 1. Down's Syndrome 2. Colour Blind­ness 3. Albinism 4. Sickle-Cell Trait. Type # 1. Down's Syndrome: It is hereditary abnormality due to ge­netic disorder, autosomal abnormality. It is also known as Mongolism or Mongoloid idiocy. The individual possesses a small extra chromosome No [...]