Tetraspore

Tetraspores are red algae spores produced by the tetrasporophytic (diploid) phase in the life history of algae in the Rhodophyta as a result of meiosis.[1] The name is derived from the 4 spores that form after this meiosis, the division is of three kinds: cruciate, zonate and tetrahedral.[1]

Light microscopy of Polysiphonia showing a tetraspore within a tetrasporophyte cell. A=Tertaspore, B=Tetrasporophyte cell.Scale bar = 0.02 mm

References
  1. Jones, W.E. Revised and reprinted 1964. A Key to the genera of the British seaweeds.Field Studies. Vol 1 (4) pp.1 – 32


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