2
Question
What term is applied to the gene mutation where a base is replaced by another base?
What term is applied to the gene mutation where a base is replaced by another base?
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Solution
The correct option is D Substitution
1) Duplication is a type of mutation in which a portion of genetic material or a chromosome is duplicated or replicated, resulting in multiple copies of that region. 2) Aneuploidy is the presence of an abnormal number of chromosomes in a cell, for example, a human cell having 45 or 47 chromosomes instead of the usual 46.
3) Euploidy is the gain of one or more complete sets of chromosomes.
4) A substitution is a mutation that exchanges one base for another (i.e., a change in a single "chemical letter" such as switching an A to a G).
So, the correct answer is 'Substitution'.
1) Duplication is a type of mutation in which a portion of genetic material or a chromosome is duplicated or replicated, resulting in multiple copies of that region.
2) Aneuploidy is the presence of an abnormal number of chromosomes in a cell, for example, a human cell having 45 or 47 chromosomes instead of the usual 46.
3) Euploidy is the gain of one or more complete sets of chromosomes.
4) A substitution is a mutation that exchanges one base for another (i.e., a change in a single "chemical letter" such as switching an A to a G).
So, the correct answer is 'Substitution'.
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