D Question 19 4 pts Which of the following is incorrect In snails and C elegans,

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D Question 19 4 pts Which of the following is incorrect In snails and C elegans, the mode of gastrulation deuterostomes Blastomere identity in C. elegans is regulated by both autonomous and conditional specification The polar lobe of certain mollusks contains the morphogenetic determinants for Spiral cleavage in snails results in stereoblastulac (ie. blastulae with no blastococls) The direction of the cleavage spirals is regulated by a mesoderm and endoderm. These determinants enter the D blastomere. factor encoded by the mother and placed in the oocyte. Spiral cleavage can be modifhed by evolution, and adaptations of spiral cleavage have allowed some mollusks to survive in otherwise harsh environments

Explanation / Answer

Answer-Last option

Its radial cleavage not spiral which produces which produces stereoblastulae.

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