True or false. all dna sequence mutations result in down-stream amino acid changes.

The given statement is False.

Mutations can be described as permanent change in the nucleotide sequence of DNA ( that is considered as the genetic material of living organisms).

All DNA sequence mutations do not result in down-stream amino acid changes. For instance, in case of point substitution mutation, there is substitution of one nucleotide by another nucleotide but same amino acid is produced by the change.

This occurs due to the fact that many codons for single amino acid ( like AAG and AAA both codons correspond to lysine amino acid)                  

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

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