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Questions and Answers
What is the role of DNA polymerase during replication?
What is the role of DNA polymerase during replication?
- Snipping out erroneous bases and replacing them
- Reading the template and adding complementary bases
- Proofreading the new base
- All of the above (correct)
How can a wrong base escape detection during replication?
How can a wrong base escape detection during replication?
- DNA polymerase cannot proofread the new base
- Complementary bases can form hydrogen bonds through wobble pairing (correct)
- The template strand can be read incorrectly
- None of the above
What is the relationship between maternal age and chromosome problems?
What is the relationship between maternal age and chromosome problems?
- There is an increased incidence of chromosome problems, particularly Down syndrome (correct)
- Maternal age only affects the father's sperm production
- Maternal age has no effect on chromosome problems
- None of the above
Why are older men more susceptible to spontaneous germ-cell mutations?
Why are older men more susceptible to spontaneous germ-cell mutations?
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Which genetic disorders are associated with older fathers?
Which genetic disorders are associated with older fathers?
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