A baby has microcephaly. Doctors believe that this condition is caused by the baby's mother taking actinomycin D during her pregnancy. What germ layers have been affected by this teratogen?
- A All the germ layers
- B Mesoderm
- C Endoderm and mesoderm
- D Ectoderm
- E Endoderm
Правильна відповідь: D. Ectoderm
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