The Answer D sound logical however I’m not sure about the 4 new chromosomes
D. i belive hope this helps u buddy if not then im sorry....
-Lawrence $.
Look it up if you are stressing.
The environment can influence the evolutionary changes so that the organism will be best suited to survive in that area. Genes that are useless in that specific environment will eventually be replaced with more useful traits as the species evolves.
Hope that helps
The phrase "multiple alleles" in biology refers to a series with at least three allelic or alternative forms of a particular gene with only two that are able to exist in diploid individuals.