Answer:
Gene
Explanation:
The genome of an organism is inscribed in DNA, or in some viruses RNA. The portion of the genome that codes for a protein or an RNA is referred to as a gene. Those genes that code for proteins are composed of tri-nucleotide units called codons, each coding for a single amino acid.
any agent that cause a mutation would be called a mutagen
Ants and bee's don't have a backbone, instead, in most cases, they have an exoskeleton.
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