A geneticist found that a certain mutagen had no effect on the polypeptide coded by a particular gene?

this mutagen most likely caused

a. a silent mutation

b. loss of one nucleotide

c. addition of one nucleotide

d. deletion of a gene

it would also be really helpful if anyone knows a website for any answers to the chapter reviews of this book:

Biology Exploring Life copyright 2006 by pearson education, inc., publishing as pearson prentice hall, boston, massachusetts

the authors are: neil a campbell brad williamson and robin j heyden

thx alot if anyone can answer this question, and also thank u too much (u really dont know how much) if u can find a site with all the answers for the chapter reviewsA geneticist found that a certain mutagen had no effect on the polypeptide coded by a particular gene?
d. deletion of a gayn



=]



(call me dude, are you home?)A geneticist found that a certain mutagen had no effect on the polypeptide coded by a particular gene?
If the mutagen had no effect on the polypeptide formed, it would be a silent mutation (sometimes called a neutral mutation).