Question

divya quits smoking cigarettes during the 7th week of their pregnancy. there is a chance that the chemicals in the cigarettes acted as ____, harming the development of divyas baby during the period of the ____. zygotes; embryo zygotes; fetus teratogens; embryo teratogens; fetus

Explanation:

• Teratogens: These are substances (like cigarette chemicals) that can cause birth defects.
• Embryo period: The embryonic period lasts from week 3 - 8 of pregnancy. At 7 weeks, the baby is in the embryo stage. Zygotes are single - celled (fertilized egg) and not relevant here. The fetal period starts at week 9.

Answer:

C. teratogens; embryo