Which of the Following Is NOT a Reason for the High

question 44

Multiple Choice

Which of the following is NOT a reason for the high fidelity of the newly synthesized DNA molecule?

• A) The hydrogen bonding between purines and pyrimidines is stable.
• B) The DNA polymerase is unlikely to form bonds between nucleotides if they are mismatched.
• C) The DNA polymerase has exonuclease functions.
• D) The DNA polymerase has the ability to change the structure of the base in order to form the correct bond.

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Definitions:

Punnett Square

The grid structure, first developed by Reginald Punnett, that allows direct calculation of the probabilities of occurrence of all possible offspring of a genetic cross.

Sex Chromosomes

Chromosomes that determine the sex of an organism, with common configurations being XX for females and XY for males in many species.

XX Chromosomes

A pair of sex chromosomes that typically determines that an individual will develop female physical traits in humans.

Alleles

Variants or different forms of a gene that arise by mutation and are found at the same place on a chromosome.