Q.

If a change occurs in the middle nucleotide of UGC codon due to point mutation, the resultant codons code which amino acids?             

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a

Phe, Ser, Trp  

b

Gly, Arg, ser

c

Phe, Ser, Tyr

d

Cyr, Arg, Ser

answer is B.

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Detailed Solution

UGC codes for cysteine.

If mutation occurs in G. The mutated codons could be UAC, UCC, UUC. 

UAC codes for tyrosine

UCC codes for serine            

UUC codes for phenylalanine.

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If a change occurs in the middle nucleotide of UGC codon due to point mutation, the resultant codons code which amino acids?