Biology, 21.04.2020 23:46 sierrastrickland99
In a frog embryo, gastrulation A) is impossible because of the large amount of yolk in the ovum. B) occurs along the primitive streak in the animal hemisphere. C) produces a blastocoel displaced into the animal hemisphere. D) occurs within the inner cell mass that is embedded in the large amount of yolk. E) proceeds by involution as cells roll over the dorsal lip of the blastopore.
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In a frog embryo, gastrulation A) is impossible because of the large amount of yolk in the ovum. B)...
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