Toxic agents, radiation and microbes: non-genetic factors that can cause a rare disease
Approximately 80% of rare diseases have a genetic origin and are present at birth . However, rare diseases are not always caused by a de novo mutation —occurred spontaneously during reproductive cellAmniocentesis test
Amniocentesis is a procedure by which part of the amniotic fluid (the liquid contained within the amniotic sac) is removed for genetic testing during pregnancy. It is mainly used to detect anomalies