HEREDITY
MUTATIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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skin cancer
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the person’s offspring have mutated cells
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no chage in the functioning of their cells
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reduced functioning of their cells
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Detailed explanation-1: -Which one of the following is least likely to cause mutations in DNA? light from an incandescent bulb. Which of the following statements about mutations is incorrect?-If a mutation occurs in a germ line cell, the resulting fertilized embryo will carry the mutation in every cell.
Detailed explanation-2: -By the same token, any random change in a gene’s DNA is likely to result in a protein that does not function normally or may not function at all. Such mutations are likely to be harmful. Harmful mutations may cause genetic disorders or cancer. A genetic disorder is a disease caused by a mutation in one or a few genes.
Detailed explanation-3: -Silent mutations are least likely to affect protein function. Missense mutations are often difficult to predict. If the change is to a similar amino acid or in a non-critical amino acid, the mutation protein may continue to function.
Detailed explanation-4: -So, the correct option is ‘A missense substitution’