Question

The molecular clock has been useful to determine the phylogenetic relationships of species based on the assumption that:

Answer 1

a species lineage accumulates genetic differences over time at a constant rate.

Step-by-step explanation:

Answer 2

The molecular clock has been useful to determine the phylogenetic relationships of species based on the assumption that they cannot be compared to non molecular methods such as comparative anatomy. The molecular clock helps us discover organisms that have a little common traits or features between evolutionary relationships.