Below is a segment of RNA, transcribed from a DNA sequence. Use the codonchart to help answer the questions below. 5’ AUG/CCU/ACG/GAC/UGG/CCU 3’ a. What polypeptide would be generated by this sequence? b. The RNA is mutated to: 5’ AUGCCCACGGACUGGCCU 3’. What type of mutationhas occurred? Show the new polypeptide chain. c. The RNA is mutated to: 5’ AUGCCUACGGACGGGCCU 3’. What type of mutationhas occurred? Show the new polypeptide chain. d. The RNA is mutated to: 5’ AUGCCUACGGACUGACCU 3’. What type of mutationhas occurred? Show the new polypeptide chain.
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.
Below is a segment of RNA, transcribed from a DNA sequence. Use the codon
chart to help answer the questions below.
5’ AUG/CCU/ACG/GAC/UGG/CCU 3’
a. What polypeptide would be generated by this sequence?
b. The RNA is mutated to: 5’ AUGCCCACGGACUGGCCU 3’. What type of mutation
has occurred? Show the new polypeptide chain.
c. The RNA is mutated to: 5’ AUGCCUACGGACGGGCCU 3’. What type of mutation
has occurred? Show the new polypeptide chain.
d. The RNA is mutated to: 5’ AUGCCUACGGACUGACCU 3’. What type of mutation
has occurred? Show the new polypeptide chain.
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