OBJECTIVE LIFE SCIENCE
GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Mutations:
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are permanent changes in the DNA sequence or structure
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produce allelic variation
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are more likely to be harmful than beneficial
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all of the above
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Explanation:
Detailed explanation-1: -Hereditary mutations include cystic fibrosis, hemophilia, and sickle cell disease. Other mutations can happen on their own during a person’s life. These are called sporadic, spontaneous, or new mutations. They affect only some cells.
Detailed explanation-2: -In biology, , a mutation is the permanent alteration of thenucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements. Mutations in the structure of genes can be classified as Small-scale Mutationsand Large Scale Mutations.
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