You calculate map distances between genes A, B, and C based on all pairwise dihybrid crosses. When you perform the trihybrid cross to verify your results, you discover that, despite analysis of a very large number of progeny, you have only about half as many double crossover progeny as you expect. Which explanation is the most reasonable?

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#Question id: 2375

#Unit 2. Cellular Organization

 Plastids that contain starch are called _________, whereas those that contain red and yellow pigments are called_________.

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#Question id: 10976

#Unit 7. System Physiology – Animal

In a resting adult, the typical ventricular ejection fraction has what value?

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#Question id: 28192

#Unit 5. Developmental Biology

the process by which a cell acquires the structural and functional properties unique to a given cell type, this process is known as___

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#Question id: 28916

#Unit 4. Cell Communication and Cell Signaling

Which of the following hedgehog (Hh) proteins promotes spermatogenesis?

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#Question id: 9214

#Unit 9. Diversity of Life Forms

Researchers have been studying a rare population of 87 voles in an isolated area. Ten voles from a larger population were added to this isolated population. Besides having ten additional animals, what benefits are there to importing individuals?