| Term | Definition |
|---|---|
| sample (sampling) |
in statistics, a subset which is analyzed to be representative of the whole population |
| seed plant |
a plant that bears seeds |
| segregation |
in genetics, the separation during meiosis of a pair of alleles at a given locus, resulting in gametes containing only a single allele per locus |
| sexual reproduction |
reproduction based on the reciprocal processes of meiosis and fertilization |
| shoot |
the arial portion of a plant distinct from the root |
| species |
a group of interbreeding individuals with similar characteristics |
| sperm (spermatozoid) |
in ferns - a motile male gamete |
| spore |
single-celled haploid (1n) product of meiosis that germinates and develops into a gametophyte |
| spore mother cell |
a diploid (2n) cell which undergoes meiosis to produce haploid (1n) spores |
| sporophyte |
the macroscopic diploid vascular stage of the fern life cyclethat produces spores |
| strain |
a group of plants distinguished by a particular trait |
| syngamy |
the fusion of two gametes |