Multiple Choice
Why are zygotes relatively unaffected by the effects of some teratogenic agents?
A) Once the developing fetus has reached the period of the zygote, all the major organ systems have been formed.
B) The zygote is surrounded by a barrier which teratogens cannot permeate.
C) The zygote's fluids do not mix with those of the mother.
D) The zygote is developing too quickly for teratogens to have any impact.
Correct Answer:
Verified
Correct Answer:
Verified
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