<span>The Department of Homeland Security oversees border safety and security (including immigration and customs); emergency preparedness; science-related concerns pertaining to chemical, biological, and nuclear threats; and information and intelligence analysis and assessment.</span>
Answer:
A mess up in the dna structure/formation
Explanation:
1. Phenotypic
A phenotype is the physical representation of a gene. (Think Ph = Physical. That's how I remember it!)
2. Genotypic?
A genotypenis the gene. It is not seen physically.
3. Genes
Alleles are variant forms of a singular gene.
