During DNA replication, an extra cytosine base is added to the DNA. What type of mutation is this?

Biology

2 answers:

Arlecino [84]3 years ago

4 0

It's D correct answer

alexira [117]3 years ago

3 0

Answer - D. Frameshift Mutation

Reasoning - This is a genetic mutation which is caused by nucleotides/indels that is not divisible by three.

Ty for waiting :) I was trying to back up my Answer. Thank you for being part of this community and allowing me to answer - Johny
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Answer:

Glutamic Acid (Glu): codons GAA, GAG

Glutamine (Gln): codons CAA, CAG.

Lysine (Lys): codons AAA, AAG, UCG

Serine (Ser): codons UCA, UCG

Leucine (Leu): codons UUG, UUA

Tyrosine (Tyr): codons UAC, UAU

Tryoptophan (Trp): codon UGG

Arginine (Arg): codons CGA, AGA

Glycine (Gly): codon GGA

Cysteine (Cys): codon UGU

Explanation:

Non sense codons are: UAA, UAG, UGA. Then following the genetic code (see attached file) a single base substitution in any of the codons indicated in the answer could generate a stop codon. This single base substitution might happen in the first, second or third base of the codon.