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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Which repeating sequence below would you expect to find on the end of the longest DNA strand of a chromsome (select one)?
A. 5'-TTTTTT-3'
B. 5'-TTAGGG-3'
C. 5'-CCCTAA-3'
D. 5'-AAAAAA-3'
E. 5'-GGATCC-3'
Telomeres are nucleotide sequences found at the ends of linear chromosomes. They consist of repeating nucleotide sequences which are often associated with some specialized proteins. Telomeres are distinct features of eukaryotic chromosomes.
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