Compare and contrast early embryonic development in amphibians, fish, birds, and mammals. Be sure to discuss...

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Medical Sciences

Compare and contrast early embryonic development in amphibians,fish, birds, and mammals. Be sure to discuss specific features ofdevelopment such as cleavage, gastrulation, and axis formation.Also, be sure to identify and discuss characteristics that areunique to each category of vertebrate.

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Cleavage Meroblastic cleavage is a type of cleavage that occurs in very yolky eggs like birds in which the egg cytoplasm and not the yolk divides incomplete division There are two types of meroblastic cleavage discoidal and superficial Discoidal usually occurs in birds reptiles fishes etc Gastrulation The fertilized zygote contains all the instructions for its embryonic development in the zygotic genome and as maternally derived cytoplasmic substances The relative contributions of zygotic and maternal See Answer

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