Point mutation

This DNA mutation lecture explains about types of point mutations like nonsense mutation, missense mutation, silent mutation etc.
A mutation is a everlasting exchange somewhere in a DNA sequence. DNA is the unit of heredity of all organisms, so this means that mutations can most often be handed on to offspring. Mutations do not have got to be bad. Some are worthy, whilst others are impartial or don't have any effect. There are a lot of one of a kind categories of mutations, however in this lesson we can center of attention on factor mutations, or these attributable to a metamorphosis in a single or a fewnucleotides at a single area in a DNA sequence.
A mutation that includes a single nucleotide and may consist of lack of a nucleotide, substitution of a nucleotide for another, or the insertion of an extra nucleotide.

For instance, sickle-mobile disorder is triggered with the aid of a single factor mutation (a missense mutation) within the beta-hemoglobin gene at role 6 that converts a GAG codon into GTG, which encodes the amino acid valine as a substitute than glutamic acid.

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