What causes genetic variation?
Flexi Says:
The ultimate source of genetic variation is random mutation - changes in nucleotide sequences of DNA. They may involve only a single base pair - as in (A), or many - as in chromosomal mutations (B).
The ultimate source of genetic variation is random mutation - changes in nucleotide sequences of DNA. They may involve only a single base pair - as in (A), or many - as in chromosomal mutations (B).