Gene Mutation 0.0 / 5 ? BiologyDNA, genetics and evolutionA2/A-levelAQA Created by: That Vet StudentCreated on: 07-09-21 22:21 Gene Mutation Involves ... a change in the base sequence in DNA 1 of 9 Mutation Rate is Increased by ... mutagenic agents such as; UV radiation, ionising radiation and chemical carcinogens 2 of 9 Substitution -one or more bases are swapped for another -may not result in a change in amino acids 3 of 9 Addition -one or more bases are added -results in a frameshift 4 of 9 Deletion -one or more bases are removed -results in frameshift 5 of 9 Inversion a sequence of bases is reversed 6 of 9 Duplication one or more bases are repeated 7 of 9 Some Gene Mutations Change Only One Triplet due to ... the degenerate nature of the genetic code 8 of 9 Some Gene Mutations Change All Triplets After the Mutation this results in ... a frameshift and is likely to change all encoded amino acids after the mutation 9 of 9
Comments
No comments have yet been made