Mismatch repair in E. coli distinguishes between old and new strands of DNA on the basis of a. differences in the base composition of the two strands. b. modification of histone proteins. c. base analogs on the new strand. d. methyl groups on the old strand.
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.
Mismatch repair in E. coli distinguishes between old and new strands of DNA on the basis of
a. differences in the base composition of the two strands.
b. modification of histone proteins.
c. base analogs on the new strand.
d. methyl groups on the old strand.
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