Which of the following statements about the DNA in your brain cells is TRUE? a. The majority of the DNA in these cells is made up of genes that code for proteins. b. The majority of genes in these cells are expressed as RNA or proteins. c. Your brain cells contain approximately the same DNA as your heart cells. d. All of the above are true.
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.
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