This lesson will identify, distinguish and describe biological disorders and their causes.
Source: Video created by Mollie McQuillan
Substances that may cause birth defects; drugs and alcohol are the most common but other teratogens include some maternal hormones, mercury, lead and German Measles.
Conditions caused by defects in the genes or chromosomes; may be inherited from parents and passed down through genetic transmission.
Condition existing at birth, often originating during prenatal development; may be due to prenatal environment, genetic or chromosomal abnormality.