Question

The effects of teratogens

may not show up for many years.
		are always apparent at birth.
		result in physical but not cognitive damage.
		are most severe when exposure occurs during the 3rd trimester of pregnancy.

Answer 1

teratogens developing a fetus about 10 to 14 day after conceptual, baby being birth with a body defet like a birth defect , teratogens will be harmful in the genetic makeup and developing of organism its also develop a congential disorder its toxic effect in a embryo amd fetus.