Biology / Bio 3367 · Procedure · 60–90 seconds
Tracing Fertilization Through Early Embryonic Development, Worked
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This procedure traces one embryo's path from fertilization through early organogenesis, drawing together this chapter's fertilization and development atoms.
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Assuming organogenesis can begin before gastrulation sets the three germ layers is the error here — every organ traces to one germ layer, per Bio 3355, before organ-specific differentiation proceeds.