High affinity B-cell clones are usually generated by: Somatic hypermutation Class switching Apoptosis DNA recombination Question 14 (1 point) The specificity of antibodies secreted by a plasma cell may not be the same as that of the BCR of the original parent B cell that was exposed to the antigen because of: A specific B cell has BCRs that recognized a diversity of epitopes ranging from proteins to carbohydrates The selection that occurs during affinity maturation Alternative splicing Class switching
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This leads to the production of B-cells with a wide range of affinities for the antigen. The B-cells with the highest affinity for the antigen are then selected to proliferate and differentiate into plasma cells and memory B-cells. The specificity of antibodies Show more…
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High affinity B-cell clones are usually generated by: Somatic hypermutation Class switching Apoptosis DNA recombination The specificity of antibodies secreted by a plasma cell may not be the same as that of the BCR of the original parent B cell that was exposed to the antigen because of: A specific B cell has BCRs that recognized a diversity of epitopes ranging from proteins to carbohydrates The selection that occurs during affinity maturation Alternative splicing Class switching
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Question 11. Consider two genes: A and B. Both A and B are on the same chromosome arm with gene A closest to the centromere. Under what conditions can a crossover in a somatic cell of a dihybrid individual generate twin spots? Hint: DRAW!!! - The crossover would have to occur between gene A and the centromere - The crossover would have to occur between gene A and gene B - The crossover would have to occur between gene B and the end of the chromosome - A double crossover would have to occur: one between gene A and the centromere and a second one between gene A and gene B - None of the above can generate twin spots in this individual (a) If an individual is Ab/aB (b) If an individual is AB/ab
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