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Compare three aspects of the early development of a snail (a mollusc) and a human (a
Chapter 32, Problem 2(choose chapter or problem)
QUESTION:
Compare three aspects of the early development of a snail (a mollusc) and a human (a chordate).
Questions & Answers
QUESTION:
Compare three aspects of the early development of a snail (a mollusc) and a human (a chordate).
ANSWER:1. Embryonic Development: A snail has a spiral cleavage pattern in which the first cleavages are unequal and perpendicular to the polar axis, forming the embryonic shield. The configuration of blastomeres that form the mammalian embryo are comparatively uniform and less organized.