Keyword Analysis & Research: deletion mutation

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Frequently Asked Questions

Is a deletion mutation more harmful than an insertion mutation?

Because an insertion or deletion results in a frame-shift that changes the reading of subsequent codons and, therefore, alters the entire amino acid sequence that follows the mutation, insertions and deletions are usually than a substitution in which only a single amino acid is altered.

What would be an example of deletion mutation?

example is a deletionof one specific small chromosomeregion of Drosophila. When one homologcarries the deletion, the fly shows a unique notch-wing phenotype, so the deletion acts as a dominant mutationin this regard. But the deletion is lethal when homozygous and therefore acts as a

What happens during deletion mutation?

A deletion is the loss of a chromosomal fragment. This causes genes to be lost in the fetus. A duplication mutation occurs when chromosomal fragments are doubled, resulting in duplication of genetic material. Inversion mutations occur when chromosomes change their original directions.

How does a deletion mutation effect?

The effect of the deletion mutation will be determined by where in the gene it takes place, and how many nucleotides are deleted . The genetic code is read in triplets by protein producing enzymes. If three or more nucleotides are lost in a gene, entire amino acids can be missing from protein created which can have serious functional effect.


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