THE MOLECULAR BASIS OF INHERITANCE
GENE MUTATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the substitution removal or addition of a single nucleotide
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translocation
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nondisjunction
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point mutation
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substitution
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Explanation:
Detailed explanation-1: -A point mutation is a type of mutation in DNA or RNA, the cell’s genetic material, in which one single nucleotide base is added, deleted or changed.
Detailed explanation-2: -Substitution, as related to genomics, is a type of mutation in which one nucleotide is replaced by a different nucleotide. The term can also refer to the replacement of one amino acid in a protein with a different amino acid.
Detailed explanation-3: -A point mutation is a genetic mutation where a single nucleotide base is changed, inserted or deleted from a DNA or RNA sequence of an organism’s genome.
Detailed explanation-4: -A deletion changes the DNA sequence by removing at least one nucleotide in a gene.
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