CELL DIVISION
CELL DIVISION AND CANCEROUS CELLS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What is a mutation?
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A mistake in DNA which can lead to cancer
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A complete copy of DNA
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A change in DNA which doesn’t cause an issue
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A mistake in your body that is caught and removed
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Explanation:
Detailed explanation-1: -How faulty genes lead to cancer. Our genes pick up mistakes that happen when cells divide. These mistakes (or faults) are called mutations. Mutations can happen throughout our lives, during natural processes in our cells.
Detailed explanation-2: -A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke.
Detailed explanation-3: -(myoo-TAY-shun) Any change in the DNA sequence of a cell. Mutations may be caused by mistakes during cell division, or they may be caused by exposure to DNA-damaging agents in the environment. Mutations can be harmful, beneficial, or have no effect.
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