Which option best identifies the exact concept boundary for The development of understanding of genetics and evolution, Fossils: students must interpret evolutionary trees using current classification data and fossil data.

The correct option is Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Fossils because students must interpret evolutionary trees using current classification data and fossil data.. 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 interpret evolutionary trees using current classification data and fossil data.. Definition boundary: DNA can contain many genes; a gene has a specific coding role. This matches Fossils because students must interpret evolutionary trees using current classification data and fossil data. is correct because DNA can contain many genes; a gene has a specific coding role. The learning objective says students must interpret evolutionary trees using current classification data and fossil data, 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..