Homothallic

Definition

Homothallic fungi are capable of sexual reproduction without the need for a partner, as they possess both mating types within a single organism. This self-fertility is advantageous for colonizing new environments where mates may be scarce.

5 Must Know Facts For Your Next Test

1. Homothallic fungi contain both male and female reproductive structures in the same mycelium.
2. Self-fertilization in homothallic fungi can lead to quicker reproduction cycles.
3. Examples of homothallic fungi include certain species of yeasts and molds.
4. The term 'homothallic' is derived from Greek words meaning 'same thallus'.
5. Homothallism can increase genetic diversity through recombination despite being a form of self-fertilization.

Review Questions

• What is the main reproductive advantage of homothallic fungi?
• Name an example of a homothallic fungus.
• How does homothallism contribute to genetic diversity?

Related terms

Heterothallic:

Heterothallic fungi require two different individuals or mating types to undergo sexual reproduction.

Mycelium: The vegetative part of a fungus, consisting of a network of fine white filaments (hyphae).

Self-Fertilization: A form of reproduction that involves one parent producing offspring by combining its own gametes.