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Inbreeding coefficients of various populations in Europe and Asia. Offspring of biologically related persons are subject to the possible effects of inbreeding, such as congenital birth defects. The chances of such disorders are increased when the biological parents are more closely related.
Cyclopia (named after the Greek mythology characters cyclopes), also known as alobar holoprosencephaly, is the most extreme form of holoprosencephaly and is a congenital disorder (birth defect) characterized by the failure of the embryonic prosencephalon to properly divide the orbits of the eye into two cavities.
However, modern studies on the genetics of particular ethnic groups have the tightly defined purpose of avoiding the birth of children with genetic diseases, or identifying people at particular risk of developing a disease in the future. [7]
The following is a list of genetic disorders and if known, type of mutation and for the chromosome involved. Although the parlance "disease-causing gene" is common, it is the occurrence of an abnormality in the parents that causes the impairment to develop within the child.
Globally, 8.5% of children have consanguineous parents, and 20% of the human population live in communities practicing endogamy. [ 3 ] [ 4 ] Theories on the developments of consanguineous marriage as a taboo can be supported as being both a social and a biological development.
Anabely Lopes wanted a child more than anything, so the 44-year-old was ecstatic when she became pregnant last year — and then devastated when doctors said her unborn child had a fatal abnormality.
By RYAN GORMAN Horrifying video has emerged of doctors pulling maggots out of a man's ear. The unidentified Indian man went to a doctor's office to complain about hearing a non-stop buzzing sound.
Type 2D was established in 2002 when a study looking to find mutations in the human version of the SNAI2 gene, known to cause depigmentation in mice, found deletions of both copies of this gene in two unrelated individuals with Waardenburg syndrome type 2. Mutations in both copies of this gene have not been found in those with Waardenburg ...