A Teratogen Is A

A teratogen is a:

A) specific type of genetic mutation that typically results in severe birth defects.
B) harmful agent, such as a chemical, drug, or disease, which can cause abnormal development or birth defects.
C) segment of DNA that is sometimes found on both the X and Y chromosome and that commonly results in intellectual disability.
D) recessive gene that is usually found only on the Y chromosome and that causes hemophilia and red-green color blindness in males.