A DNA strand has incorporated a base mismatch that has been missed by the proofr

Question

A DNA strand has incorporated a base mismatch that has been missed by the proofreader in DNA Polymerase. How docs the cell identify the DNA strand with the correct base? It doesn't; it incorporates a base at random It uses a double-strand break repair mechanism The older (correct) strand has been methylated The younger (incorrect) strand has been methylated In a typical human cell, how many chromosomes would be present in each nucleus during meiotic telophase I? This structure serves as the attachment point between the spindle microtubule and the centromere. What is the mode of inheritance for the following trait? In a normal human cell, how many chromosomes would be present in each nucleus during meiotic metaphase 2? Use the following pedigree to answer questions What is the mode of inheritance for the trait?

Explanation / Answer

Ans-1. (C). Ans-2 (a) . Ans-3 (c) . Ans-5 (a) . Ans-6 (b)

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