Here is an mRNA sequence (written 5' → 3') A G G G A G G U A A C A G 14 15 16 17 18 19 20 21 24 27 28 29 30 31 32 33 34 35 don't forget what you know about translation, frames, a) start and stop codons, etc. Write the translation below: Using the genetic code, translate the mRNA. Match the event with the # of the type of mutation (in the box below) it will produce (perhaps indirectly). Since there are 4 questions and 3 answers, you'll obviously have to use something more than once. b) If you add a nucleotide between #13 and 14. If you change base #6 to a G d) c) If you change base #8 to a C If you change base #11 to an A Types of mutation 1. silent 2. missense e) 3. nonsense Second base C UAU 1 UAC UAA stop UAG stop UUU UCU UGU phenylalanine (phe) tyrosine (tyr) cysteine (cys) UUC UCC UGC C serine (ser) UGA stop UGG tryptophan (trp) UUA UCA leucine (leu) UUG UCG CUU CCU CAU CGU histidine (his) C -arginine (arg) A CUC СС CAC CGC leucine (leu) proline (pro) CUA ССА CAA CGA glutamine (gln) CUG CCG CAG CG G AUU ACU AAU AGU asparagine (asn) serine (ser) AUC isoleucine (ile) ACC AAC AGC threonine (thr) AUA ACA AAA AGA AUG methionine (met) (start) ACG -lysine (lys) arginine (arg) G AAG AGG GUU GCU GAU GAC GGU GGC GGA GGG aspartic acid (asp) GCC GCA GUC valine (val) alanine (ala) glycine (gly) GUA GUG A G GAA glutamic acid (glu) GCG GAG Third base First base
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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