At which stage is the human embryo most susceptible to damage?
A) just before birth
B) during cleavage
C) during organogenesis
D) during the fourth and fifth months
E) during the last trimester
Correct Answer:
Verified
Q29: In humans, implantation occurs:
A)just prior to fertilization.
B)immediately
Q30: At what stage does a human embryo
Q31: Cells differentiate during development because:
A)each cell contains
Q32: The umbilical cord of a mammal connects
Q33: What makes the cells of a developing
Q35: After induction occurs:
A)cells have different genes.
B)the fate
Q36: The dorsal lip of the blastopore:
A)becomes the
Q37: Your biceps muscle is derived from the:
A)endoderm.
B)ectoderm.
C)mesoderm.
D)blastopore.
E)amnion.
Q38: In humans, fertilization occurs in the:
A)ovary.
B)testes.
C)uterine tube.
D)uterus.
E)vagina.
Q39: The proteins that bind to the DNA
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