Multigene families include two or more nearly identical genes or genes sharing nearly identical sequences. A classical example is the set of genes for globin molecules, including genes on human chromosomes 11 and 16. How might identical and obviously duplicated gene sequences have gotten from one chromosome to another?

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#Question id: 32271

#Unit 2. Cellular Organization

The oligosaccharide precursor is assembled on a membrane-attached anchor on ER called:

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#Question id: 5814

#Unit 8. Inheritance Biology

A bacterial cell experiences a mutation as a result of exposure to nitrogen mustard and then divides several times to produce a total of eight cells. How many of the resulting cells would you expect to contain the mutation?

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#Question id: 11126

#Unit 7. System Physiology – Animal

Which of the following is characteristic of the events occurring at an excitatory synapse?

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#Question id: 4051

#Unit 3. Fundamental Processes

One effect of the deletion of the hRPB1 subunit of RNA polymerase II is

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#Question id: 11377

#Unit 10. Ecological Principles

Which one of the following statements is correct?