Define synonymous mutation

a silent mutation that does not change amino acid sequence of polypeptide product

Define nonsynonymous mutation

a mutation that does alter amino acid sequence of polypeptide product by creating either a missense codon or nonsense codon

Define neutral mutation

changes in noncoding regions having no effect on the phenotype of the organism

a higher usage of one codon in genes to encode amino acids for which there are several synonymous codons

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BIOC 4570 Exam 3

Molecular Biology Exam 3

Question	Answer
Define synonymous mutation	a silent mutation that does not change amino acid sequence of polypeptide product
Define nonsynonymous mutation	a mutation that does alter amino acid sequence of polypeptide product by creating either a missense codon or nonsense codon
Define neutral mutation	changes in noncoding regions having no effect on the phenotype of the organism
Define codon bias	a higher usage of one codon in genes to encode amino acids for which there are several synonymous codons