At the blastula stage, the embryo consists of:
A) a solid mass of cells, each the size of the zygote.
B) three differentiated layers of cells.
C) a hollow ball of cells.
D) cells that have different DNA content.
E) a cluster of cells that are much larger than normal cells.
Correct Answer:
Verified
Q1: Human embryos differ from bird embryos in
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Q4: The cells that line the inside of
Q5: Which of the following is the result
Q7: Which germ layer forms the pancreas?
A)endoderm
B)ectoderm
C)mesoderm
D)somite
E)amnion
Q8: In placental organisms, the _ is the
Q9: Which extraembryonic membrane lies immediately beneath the
Q10: During the embryonic stage, a hollow ball
Q11: _ is the developmental event that results
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