Traffic light activity Genetic Variation Divide these key words into three groups Red I don't know this word Orange I have seen this word, but I'm not confident about using it Green I understand this word and I'm confident to use it in a sentence Allele Amino acids Anticodon Centromere Chromatid Chromosome Co-dominance Codon Diploid DNA Dominant allele gene genome genotype heterozygous Homozygous homologous chromosomes mitosis meiosis mRNA nucleotide phenotype Protein synthesis Recessive allele rRNA Self-Replication Somatic cells Trait Independent Assortment Translation Triplet tRNA variation