Multiple Choice
By day 12 of embryonic development, mesoderm begins to form through
A) embryolization.
B) gastrulation.
C) mitosis.
D) meiosis.
E) none of the above
Correct Answer:

Verified
Correct Answer:
Verified
Q13: Which of these is not one of
Q26: The blood vessel that carries oxygenated blood
Q37: How many chromosomes do human somatic cells
Q39: The endoderm forms<br>A) muscle.<br>B) blood.<br>C) neural tissue.<br>D)
Q48: The stage of labor during which the
Q54: The _ stage is the stage of
Q63: During amphimixis,<br>A)sperm become capacitated.<br>B)the ovum finishes meiosis
Q75: A blastocyst is a(n)<br>A) extraembryonic membrane.<br>B) solid
Q78: List and briefly characterize the three trimesters
Q138: The ectoderm forms<br>A)muscle.<br>B)blood.<br>C)neural tissues.<br>D)the lining of the