Multiple Choice
Fertilization_________ .
A) is the final step to occur before implantation into the uterus
B) is the process of fusion of egg and sperm
C) is the process of providing nutrients to the embryo
Correct Answer:

Verified
Correct Answer:
Verified
Q12: All exchanges between mother and embryo occur_
Q13: Once fertilization has occurred, the activities of
Q14: In the human, this germ cell layer
Q15: The trophoblast cells of the blastocyst form
Q16: In humans, the yolk sac_ .<br>A)forms the
Q17: This structure surrounds the early embryo and
Q18: What organs appear very early in development?<br>A)brain
Q20: Chorionic villi look like_ .<br>A)rings of chorionic
Q21: What is true of the structure of
Q22: The_ is the final product of cleavage.<br>A)trophoblast<br>B)blastocyst<br>C)gastrula<br>D)zygote