Adna sequence is shown. ctg - gag - cat which sequences show the result of an insertion mutation in the dna? check all that apply. ctg - ggc - at ctg - tat - cat ttg - gag - cat cta - gga - gca - t ctg - gag - tcg - at

The last one and the second to last one are insertion.

The right answer is the two statements.

CTA - GGA - GCA - T  (adenine insertion)

CTG - GAG - TCG - AT. (thymine and guanine insertion)

A mutation may concern only a single nucleotide of the DNA, either by substitution (A instead of G for example), or by addition (insertion) or loss (deletion). A mutation may involve a chromosome fragment (chromosomal mutation).

Mutation by addition (or insertion): Insertion of an additional nucleotide Ex: B thalassemia 5 (adenine insertion).

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