Which of the following scenarios would MOST LIKELY lead to a change in DNA that would increase genetic variation in the individual’s offspring?
An A - T base pair changes to a C - G base pair during mitosis in a liver cell of a young man.
A virus inserts nine base pairs into a lung cell of an elderly man.
UV radiation mutates the skin cells of a pregnant mother, changing two G bases to T bases.
A G - C base pair changes to an A - T base pair randomly in a young woman's egg cell during meiosis.