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.
Relate the major events of transcription.
Transcription is the process of synthesis of messenger RNA (mRNA) from structural genes in DNA (deoxyribonucleic acid). The mRNA is synthesized similar to leading strand of DNA during replication. Complementary base pairing occurs between DNA template and the copy of mRNA transcript. The mRNA strand transcribed is read as series of triplets known as codons. The length of mRNA varies from 100 to several thousand nucleotides.
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