Stickler syndrome is not a genetic condition related to any race. Nor is it more prominant in one sex or the other.
Down Syndrome is a the addition of an extra chromosome and not really related to evolution. It is more of a genetic mutation that causes this event to occur.
Edwards' syndrome is associated with a broad spectrum of abnormalities which consist of greater than one-hundred and thirty discrete defects involving the brain, heart, craniofacial structures, kidneys and stomach. Approximately five to ten-percent of children with Edward's syndrome survive beyond their first year of life, requiring treatments that are appropriate for the various and chronic effects that are associated with the syndrome. Children with Edward's syndrome usually experience issues with feeding that are related to problems with breathing, sucking and swallowing. Citation: Disabled World News (2010-02-14) - Edwards syndrome is an inherited genetic disorder where a portion of chromosome 18 is duplicated: See link below
No, Carl and John Edwards are not related.
Having one X chromosome instead of the two X chromosomes other females have.
No. It is a genetic syndrome of children that involves developmental delays and other symptoms. While it is not curable it can be helped. Look at Related Links down below for more information regarding the subject.
yes because they are inter related.
Prader-Willi Syndrome is a non-inherited genetic mutation/error that occurs at conception. It impacts males and females (pretty equally) and occurs across all races/ethnicities. See related link
Many people believe it is not right to marry a cousin. Others think it quite acceptable. There are potential issues of genetic diseases for the offspring of cousin marriages, especially if the cousins are closely related. Genetic counseling might be advisable beforehand.
No, they are not related.
Two genetic diseases besides Down syndrome are cystic fibrosis, which affects the lungs and digestive system, and Huntington's disease, which is a neurodegenerative disorder that affects motor function and cognitive abilities.
Information about counseling programs can be found a a variety of websites. Websites such as American Psychological Association and Council for Accreditation of Counseling & Related Educational Programs have information about counseling programs.