Glossary

Clonal isolation

Definition

Separating and expanding a population derived from a single cell (key to stable cell lines, edited cell lines, and monoclonal antibody workflows).

Why it matters

For scientific teams:

  • Ensures experimental results are not confounded by mixed genotypes.
  • Enables clear genotype–phenotype relationships.
  • Required for stable cell line and edited clone generation.

For decision-makers:

  • Supports regulatory expectations for monoclonality documentation.
  • Reduces downstream risk in cell line development programs.
  • Prevents costly rework caused by heterogeneous clones.

FAQ

Q: When is clonal isolation required?

A: It is required for cell line development, gene editing workflows, and monoclonal antibody production.

Q: Is clonal isolation the same as monoclonality?

A: No. Clonal isolation is the process; monoclonality is the evidence that the process succeeded.