Heat soparates the double strands of the original DNA into two single strands. 2 As the mixture cools, the primers pair with the original DNA. The same three-step cycle can be repeated many times, yielding billions of copies of the original DNA. New DNA en Original DNA sequence Primer New DNA New DNA - Le New DNA DNA polymerase fills in the missing nucleotides, producing new copies of the original DNA. Cycle 1 Cycle 2 Cycle 3
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.
Q1: PCR
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