Question

Explain how homologous chemicals (DNA, proteins) are used to determine common ancestry

Answer 1

the mechanism for DNA replication and further linked DNA to proteins, an idea since referred to as the central dogma. Information from DNA "language" is converted into RNA (ribonucleic acid) "language" and then to the "language" of proteins. The central dogma explains the influence of heredity (DNA) on the organism (proteins).

Step-by-step explanation:

Answer 2

By looking at the similarities and differences in the sequences of the genes.