Which option best identifies the exact concept boundary for The development of understanding of genetics and evolution, Fossils: students must explain how fossil evidence shows scientific methods and theories developing over time.

The correct option is Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Fossils because students must explain how fossil evidence shows scientific methods and theories developing over time.. It is the only option that keeps DNA vs genes separate and answers the approved learning objective in Fossils.

The correct option is Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Fossils because students must explain how fossil evidence shows scientific methods and theories developing over time.. Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Fossils because students must explain how fossil evidence shows scientific methods and theories developing over time. is correct because DNA can contain many genes; a gene has a specific coding role. The learning objective says students must explain how fossil evidence shows scientific methods and theories developing over time, so the answer must stay inside Fossils. The alternative options are wrong because they either calling a gene a whole chromosome., explaining protein coding without naming the gene as the relevant section of dna., or drift away from when asking about genes, test a section of dna, protein coding, alleles, or inherited characteristics..