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Many people have DNA mutations that go unnoticed. What type of mutation is most likely to have no effect on phenotype?
  • a)
    Missense
  • b)
    Deletion
  • c)
    Frameshift
  • d)
    Chromosomal
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Many people have DNA mutations that go unnoticed. What type of mutatio...
A missense mutation is a type of DNA mutation that results in a change in a single nucleotide, leading to the substitution of one amino acid for another in the protein sequence. In some cases, this change may not significantly affect the structure or function of the protein. The resulting protein may still be able to carry out its normal role in the cell, and therefore, the mutation may have no noticeable effect on the phenotype of the individual.
It's important to note that the impact of a missense mutation on phenotype can vary depending on the specific mutation, the location of the amino acid change within the protein, and the function of the protein itself. In some cases, a missense mutation may lead to a mild or subtle change in phenotype, while in other cases, it may have more severe consequences. However, compared to other types of mutations such as deletions, frameshift mutations, or chromosomal abnormalities, missense mutations are generally more likely to have no effect on the phenotype.
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