(from the article `Poaceae`) ...processes can be found in the gradual domestication of wheat. Among wheats there are three levels of ploidy, or sets of chromosome complements: ... ...polyploids. Polyploidy is rare among gymnosperms, such as pines, firs, and cedars, although the redwood, Sequoia sempervirens, is a polyploid. ... [2 re...
Found on
http://www.britannica.com/eb/a-z/t/30
(tet´rә-ploi″de) the state of having four sets of chromosomes (4n).
Found on
http://www.encyclo.co.uk/local/21001
A very rare condition in which cells have four of each chromosome, which results in 96 total chromosomes, instead of the normal 46. Affected infants are typically stillborn or will die within the first few months of life.
Found on
http://www.pregnology.com/
No exact match found.
