Which of the following reflect(s) the likely presence of (a) gene mutation(s)?
A. Fruit flies subjected to intense radiation produce a wider array if variable offspring
B. A chemical leaking from the surface of an old abandoned coal mine alters a regulatory gene so that a cricket nymph develops an extra set of eyes
C. The bacteria that cause gonorrhea, a common sexually disease, have previously been killed by penicillin; however, after continuous usage of the antibiotic, penicillin- resistant strains are now becoming prevalent
D. Radiation causes an alternation in a DNA nucleotide sequence, which is discovered when mapped, but which appears to be neither increasing nor decreasing in successive generations
E. All of the choices are correct
Ans: E. All of the choices are correct
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