In sexually reproducing eukaryotes, progeny organisms receive a portion of their genetic information from each parent, receiving half the information from each. These parental contributions are designated haploid complements. The haploid complement can be represented as a "C value," which expresses the haploid complement as an amount of DNA measured in base pairs. Alternatively, the haploid complement can be expressed as the number of chromosomes contributed by each parent: This number of chromosomes is characteristic of each species. Finally, the haploid complement can be expressed as the number of genes on the haploid set of chromosomes.