Glossary Term: Homothallic

Homothallic refers to the possession, within a single organism, of the resources to reproduce sexually. Having male and female reproductive structures on the same thallus. The opposite sexual functions are performed by different cells of a single mycelium.

It can be contrasted to heterothallic.

It is often used to categorize fungi. In yeast, heterothallic cells have mating types a and α. An experienced mother cell (one that has divided at least once) will switch mating type every cell division cycle because of the HO allele.

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Created: 2019-06-24 21:11:23 PDT (-0700)
Last modified: 2019-08-09 06:24:51 PDT (-0700)