Generating autotetraploid sporophytes and their use in analyzing mutations affecting gametophyte development in the fern Ceratopteris.

Abstract excerpt

The haploid gametophytes of the fern Ceratopteris richardii are autotrophic and develop independently of the diploid sporophyte plant. While haploid genetics is useful for screening and characterizing mutations affecting gametophyte development in Ceratopteris, it is difficult to assess whether a gametophytic mutation is dominant or recessive or to determine allelism by complementation analysis in a haploid...

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