a protein has a mutation that replaces a valine nonpolar ami

a protein has a mutation that replaces a valine nonpolar amino acid for leucine nonpolar amino acid. this will most likely not

The codons which code for valine are GUU,GUC,GUAand GUG while the codons for leucine is CUU, CUC, CUG, CUA. It means that the G in the initial codon has been replaced by C in Leucine.

this is a case of Transversion where a purine has been replaced by a pyrimidine.