The umbilical cord of a mammal connects the:
A) fetus and the placenta.
B) amnion and the chorion.
C) yolk sac and the allantois.
D) embryo and the amnion.
E) maternal and fetal bloodstreams.
Correct Answer:
Verified
Q27: The birth defect spina bifida results in
Q28: A human embryo is known as a
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
Q33: What makes the cells of a developing
Q34: At which stage is the human embryo
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.
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