In anaphase I, the chromosomes separate in  three different ways , which of the following way for chromosome saparation leads to nonviable gamete formation

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#Question id: 19277

#Unit 9. Diversity of Life Forms

which of these statements correctly describes a portion of the pine life cycle? 

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#Question id: 19280

#Unit 9. Diversity of Life Forms

In which of the following taxa does the mature sporophyte depend completely on the gametophyte for nutrition? 

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#Question id: 24031

#General Aptitude

Communication with oneself is known as:

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#Question id: 3657

#Unit 3. Fundamental Processes

Mutations in excision repair genes or a translesion DNA polymerase cause:

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#Question id: 8852

#Unit 9. Diversity of Life Forms

The upper forelimbs of humans and bats have fairly similar skeletal structures, whereas the corresponding bones in whales have very different shapes and proportions. However, genetic data suggest that all three kinds of organisms diverged from a common ancestor at about the same time. Which of the following is the most likely explanation for these data?