Nucleic Acid Hybridization Organism A DNA Organism B DNA ■■■工 ■■■■ 1Heat to separate strands Combine single strands of DNA Cool to allow renaturation of double-stranded DNA ④Determine degree of hybridization Complete hybridization: Partial hybridization: No hybridization: Organisms identical Organisms related Organisms unrelated Figure 10.15 Nucleic Acid Hybridization Figure 10.15