During development in avian embryo, the sheet of cells that grows anteriorly from Koller’s sickle combines with the primary hypoblast to form the complete hypoblast layer, also called the:

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#Question id: 5076

#Unit 5. Developmental Biology

Homeotic genes are responsible for:

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#Question id: 5077

#Unit 5. Developmental Biology

Humans and mice heterozygous for loss-of-function mutations in Pax6 have:

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#Question id: 5078

#Unit 5. Developmental Biology

A human blastomere is:

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#Question id: 5079

#Unit 5. Developmental Biology

The pattern of embryonic development in which only the cells lacking yolk subsequently undergo cleavage is called:

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#Question id: 5080

#Unit 5. Developmental Biology

As cleavage continues during frog development, the size of the blastomeres:

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#Question id: 5081

#Unit 5. Developmental Biology

 The vegetal pole of a frog zygote differs from the animal pole in that ________.