Friday, 8 January 2010

Haplopappus gracilis a member of family composite, has only four chromosomes in somatic tissue.

  • Haplopappus gracilis a member of family composite, has only four chromosomes in somatic tissue.
  • Ophioglossum regalis a member of pteridophytes has 1262 number of chromosomes in somatic cell.
  • Longest metaphase chromosomes are found in Trillium
  • Giant chromosome found in Dipteran are permanently at premetaphase stage and is about 300 mu long and 10 mu in diameter. Therefore it is easily visible in interphase.

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