Isoform
A member of a family of closely related proteins that have some amino acid sequences in common and some different.
Isogamy
Sexual reproduction involving the production fusion of gametes that are similar in size and structure.
Isogenic stocks
Strains organisms that are genetically identical; completely homozygous.
Isolating mechanism
Any of the biological properties of organisms that prevent interbreeding (and therefore exchange of genetic material) between members of different species that inhabit the same geographical area.
Isolation medium
An optimum medium suitable for explant survival, growth and development.


