The gray crescent is the region of the amphibian egg
A) corresponding to the site of sperm penetration.
B) where gastrulation begins.
C) that was unpigmented before cytoplasmic rearrangement.
D) where the ventral lip of the blastopore develops.
E) that is formed at ovulation and prior to fertilization.
Correct Answer:
Verified
Q1: In frogs,the sperm fuses with the egg
A)
Q2: When zebrafish eggs are laid,they are surrounded
Q3: Which protein is involved in development of
Q4: The figure below is Q5: During cleavage,the cytoplasm of new cells in Q7: The genome that is used to make Q8: The sperm contributes _ to the zygote. Q9: You can artificially activate an unfertilized frog Q10: The cleavage pattern shown below would be Q11: The stage an embryo enters following fertilization
A)
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