Example of a human karyotype: 23 pairs of homologous chromosomes (one pair is the homologous 'sex' chromosomes - in this case X and Y = a boy) III. Meiosis reduces chromosome number from diploid (2n) to haploid (n) 1 diploid cell (2n) cell becomes 4 haploid (n) germ cells (eggs or sperm).
closed plan. noun. 1. an office floor plan consisting of fully enclosed office spaces. Compare open plan.
European plan. Type of hotel charge which covers per night room rate and service charges but not meals. The American plan, in comparison, covers all meals as well. These names, however, refer only to the types of hotel charges and not to any geographical area. Use 'European plan' in a Sentence.