DNA polymerase, DNA replication, gene, messenger RNA, transcription, RNA polymerase, promoter, repressor, inducer, corepressor, transcription factors, introns, exons, translocation, codons, transfer RNA, ribosomal RNA, messenger RNA, mutations, chromosomal mutation, gene/point mutation, phenotype, genotype,  allele, dominant allele, recessive allele, law of segregation, homozygous, heterozygous, carrier, law of independent assortment, gene, chromosome, homologous, nondisjunction, monosomic, trisomic, Down syndrome, translocation, deletion, insertion, addition, substitution, PCR, DNA fingerprinting, restriction enzyme, gel electrophoresis, recombinant DNA, transgenic organism, clone, sex chromosomes, sex-linked, bast-pair rule, anti-codon, homozygous, heterozygous, carrier, punnet square, gene, wild-type, autosome, linked genes, nondisjunction, monosomic, trisomic, incomplete dominance, codominance, multiple alleles, sex chromosomes, sex-linked, polygenic traits, cytoplasmic genes, punnet square, probability, pedigree