Multiple Choice
What are the primary tissue layers from which the chorion is produced?
A) allantois and allantoic membrane
B) ectoderm and mesoderm
C) ectoderm and endoderm
D) endoderm and mesoderm
Correct Answer:

Verified
Correct Answer:
Verified
Q158: Which structure in the development of the
Q159: Which of these animals' eggs contain very
Q160: Match each term to its definition.<br>-blastocoel<br>A)fluid-filled cavity
Q161: Put the following mechanisms of development in
Q162: Identify each labelled part of the illustration.
Q163: What cycle does a female dog undergo,
Q164: Match each term to its definition.<br>-blastopore<br>A)fluid-filled cavity
Q166: Menstruation begins immediately after the follicular phase.
Q167: Figure 44-1 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8444/.jpg" alt="Figure 44-1
Q168: Figure 44-3 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8444/.jpg" alt="Figure 44-3