Which would be an accurate description of the step labeled 5? 
A) Fertilization
B) Morula
C) Blastocyst
D) Implantation
Correct Answer:
Verified
Q7: Sperm must penetrate the _, the outer
Q8: In this diagram, what is labeled A?
Q9: How many days old is this embryo?
Q10: The epidermis, nervous system, and adrenal medulla
Q11: The embryonic period lasts from fertilization through
Q13: Which layer of the egg contains species-specific
Q14: Approximately how many days old is this
Q15: Compare IVF to GIFT.
A) IVF fertilization takes
Q16: What is labeled A in this diagram?
Q17: During in vitro fertilization,:
A) the husband's sperm
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