Biochemical analysis uses similarities in as evidence for evolutionary relationships.
a) dna sequences
b) bone structure
c) cellular architecture
d) homologous structures

The correct answer in this question is option A. Biochemical analysis uses similarities in DNA sequences as evidence for evolutionary relationships. Scientists believed that two species with almost the same protein structure are more likely to have a closer relationship. DNA hybridization and gene sequencing are two types of analysis that can be used.