In a plant species, flower color locus either homozygous or heterozygous with genotype RR-red, Rr- pink and rr- white. The Proportional of pink flower in generation 0 is .50.  What is the level of remaining pink flower in a third generation of repeated selfing? 

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#Question id: 5089

#Unit 5. Developmental Biology

The archenteron of the developing sea urchin eventually develops into the ________.

TLS Online TPP Program

#Question id: 5090

#Unit 5. Developmental Biology

Which of the following is a correct description of the fate of the germ layers?

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#Question id: 5091

#Unit 5. Developmental Biology

In all vertebrate animals, development requires ________.

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#Question id: 5092

#Unit 5. Developmental Biology

The least amount of yolk would be found in the egg of a ________.

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#Question id: 5093

#Unit 5. Developmental Biology

Which of the following is a result of gastrulation in animals?

I) The archenteron is formed.

II) The body axes are established.

III) The germ layers are formed.

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#Question id: 5094

#Unit 5. Developmental Biology

Cell migration occurs extensively during ________.