Which of the following amino acid changes could result from a mutation that changed a single base? For each change that could result from the alteration of a single base, determine which position of the codon (first, second, or third nucleotide) in the mRNA must be altered for the change to result. a. Leu → Gln b. Phe → Ser c. Phe → Ile d. Pro → Ala e. Asn → Lys f. Ile → Asn
Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
Which of the following amino acid changes could result from a mutation
that changed a single base? For each change that could result from the
alteration of a single base, determine which position of the codon (first,
second, or third
to result.
a. Leu → Gln
b. Phe → Ser
c. Phe → Ile
d. Pro → Ala
e. Asn → Lys
f. Ile → Asn
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