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the complete set of alleles (different forms of genes) making up the genetic material of a particular species or population.
elongated cells in the xylem of vascular plants that transport water and mineral salts.
a large domain of prokaryotic micro-organisms. They are typically a few micrometres in length...
reproductive or sex cells that contain the haploid set of chromosomes. The male gametes are...
the nervous system outside the brain and spinal column.