. a. If you found a zinc-finger domain (which facilitates DNA binding) in a newly identified gene,what kinds of hypotheses could you make aboutthe gene’s function?b. Suppose that this newly identified gene shares ahigh percentage of similarity throughout its lengthwith a previously characterized gene in the sameorganism. What does this fact suggest about the origin of the two genes? Would you categorize thesegenes as being: (i) homologous, (ii) paralogous, or(iii) orthologous? (More than one answer may apply.)
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.
. a. If you found a zinc-finger domain (which facilitates DNA binding) in a newly identified gene,
what kinds of hypotheses could you make about
the gene’s function?
b. Suppose that this newly identified gene shares a
high percentage of similarity throughout its length
with a previously characterized gene in the same
organism. What does this fact suggest about the origin of the two genes? Would you categorize these
genes as being: (i) homologous, (ii) paralogous, or
(iii) orthologous? (More than one answer may apply.)
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