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.
# Here I have given solution of mutations only , please send next question related to genetics separately .
Mutation : It is a change that occurs in our DNA sequence either due to mistake when the DNA is copied or as the result of environmental factors such as UV light and cigarette smoke. Over a lifetime DNA can undergo changes or mutations in the sequence of bases A, C, G, T .
Through direct sequencing single base pair mutations can be identified.
Mutation given in the question is Insertion type means when a base is added to the sequence and in this given sequence Thymine (T ) is inserted .
Actually there are lots of mutations which occur like :
Point mutation , Substitution mutation, Inversion mutation, Insertion mutation, Deletion mutation etc.
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