What name is given to a sudden change in a gene or chromosome? by Sunday | Nov 23 | Biology WAEC | 0 comments A. Allele B. Genotype C. Mutation D. Phenotype Correct Answer: Option C C. Mutation Users Also Read These:The inheritable characters that are determined by a…If the change in free energy of a system is -899…The name given to a sudden change in a gene or…When a gene is expressed in the phenotype in a…The gene that is only located on X-chromosome is said to be?