Mutations - changes to a DNA sequence, Mutagens - cause alteration in the DNA, Nonsense Mutatation - results in the formation of a stop codon due to the substitution of one nitrogenous base., Point mutation - one single nucleotide base is deleted, added or altered, Silent mutation - happens when a nitrogenous base is altered but the same amino acid is produced., Frameshift mutation - happens when the normal sequence of codons is disorganized by the insertion or deletion of one or more nitrogenous bases, Deletion - happens when a base is deleted from the nitrogen base sequence, Duplication - occurs when a part of a chromosome is copied (duplicated) too many times., Inversion - when a segment of a chromosome is reversed end to end, Insertion - the addition of one or more nucleotide base pairs into a DNA sequence., Translocation - segments of two chromosomes are exchanged, Down Syndrome - characterized with impairment of physical growth, body and facial features, Albinism - an autosomal recessive disorder in which the formation of melanin is reduced or absent in skin, hair, and eyes, Missense mutation - one nitrogenous base of the DNA is replaced and the result is an altered codon but does not form a stop codon,, Stop Codon - UGA, UAA, UAG,

DNA Mutations

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