What happens during the third step of DNA replication?

How does the molecular clock work? a. it analyzes the brain functionality of two different species. b. it examines and compares the physical characteristics of two different species. c. it illustrates relationships between two different species. d. it compares the number of mutations that exist in the dna of two different species.

How does the study of genetic disorders such as pku biologists understand normal alleles?

Ais a group of individuals of the same that exist together in the same place at the same time