Mutations. General Definition Long Notes : Any change in DNA sequence is called a mutation. Abbreviated Notes (AN) : Mutation (mut) = DNA sequence (seq) change. General Definition. General Definition Long Notes : Mutations may affect only one gene, or they may affect whole chromosomes.
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Deletion of U
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InsertionChromosomal Mut w/g
Which is more serious, a point mutation or a frameshift mutation? Why?Question
A frameshift mutation is more serious than a point mutation because it disrupts more codons than a point mutation.
Few chromosomal changes are passed on to the next generation because the zygote usually dies. If the zygote survives, it is often sterile and incapable of producing offspring.