Detailed information on x-linked dominant inheritance.

Gene therapy is a way to change the genes a person has. Enzyme therapy treats a genetic condition by replacing a certain enzyme.

Did you have chickenpox or get the vaccine as a child? Then you've got nothing to worry about from varicella. But if you didn't, you may not be immune to this infectious disease that can cause complications for a pregnant person and their baby. Read more to find out why, and how to protect yourself.

Genetic testing can help find diseases that run in a family or don't yet have symptoms.

Detailed information on uniparental disomy.

Detailed information on the different types of chromosome abnormality

Detailed information on trinucleotide repeats, including fragile X syndrome.

Detailed information on translocation Down syndrome

Detailed information on testing for birth defects

Detailed information on teratogens and non-teratogenic agents