What factors contributed to genetic diversity

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

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

What is the compliment dna strand to the following sequence: ttgactaggcta