N-normal l-lethal Nl so, dominant normal and recessive lethal, making him/her normal but carries a lethal allele.
A mutagen is a physical or chemical agent that changes the genetic material of an organism and thus increases the frequency of mutations above the natural background level.
Yes, I am an individual. Everyone is an individual. If we didn't have individuals, nobody would be asking or answering questions like this, here.
The Individuals is the Chicago based Rap/Hip Hop/Reggae band