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development Flashcards

(6 cards)

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0
Q

cleavage

A

zygote-> blastula

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1
Q

zygote

A

2n fertilized egg

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2
Q

morula

A

Solid ball of cells

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3
Q

blastula

A

hollow ball

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4
Q

gastrulation

A

creates an arch of cells with 3 layers
top layer: ectoderm
middle: mesoderm
innermost: endoderm

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5
Q

differentiation

A

genes turn off and cells do specific tasks

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