American Journal of Botany, Vol. 28, No. 8 (Oct., 1941), pp. 713-722 (10 pages) The first microspore division in many seed plants differs from the usual type of mitosis in that: (1) the prophase ...
Recent work concerning the regulation of pollen and pollen tube development at the biochemical level in angiosperms has been reviewed, commencing with the microspore immediately after meiosis and ...
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