Question

Exposure to toxins during early stages of pregnancy is more likely to cause birth defects than exposure in late pregnancy because
1
essential organs form during early development
2.
the uterus provides more protection in late pregnancy
3.
the placenta forms during late pregnancy
4
meiosis occurs rapidly during early development
Submit Answer

Answer 1

Answer:

1. Essential organs form during early development

Explanation:

Harmful chemicals (toxins) cause the most disease when they are present during fetal development, because organ systems are being developed and the rate of growth is very fast.