Explanation:
I don't think your question is appropriate for me to answer.
A cancer causing gene is caused by a mutation in a gene.
Species you can remember it by Dear King Philip Came Over For Great Spaghetti. domain, kingdom, phylum, class, order, family, genus, species.
I believe the answer must be B when considering the options.
I hope this helps, have a great day, and God Bless!
Brainliest is always appreciated :)