Multiple Choice
Fraternal twins
A) are also called monozygotic twins.
B) develop from only one secondary oocyte that separates early in cell division.
C) have identical genetic make-ups.
D) arises from the ovulation of more than one secondary oocyte at the same time.
E) All of these are correct.
Correct Answer:
Verified
Correct Answer:
Verified
Q11: The fluid-filled cavity in the blastocyst is
Q12: During the second to the eighth week
Q13: During meiosis,homologous chromosomes may exchange genetic information
Q14: The cells of the _ become the
Q15: The trophoblast<br>A)forms the embryonic part of the
Q17: Which of these is NOT a structure
Q18: During the first two weeks of development
Q19: During pregnancy,<br>A)estrogens and progesterone cause production of
Q20: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7916/.jpg" alt=" The line on
Q21: Fingers and toes begin to develop _