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Definition of Polyploid
1. Adjective. Of a cell or organism having more than twice the haploid number of chromosomes. "A polyploid species"
2. Noun. (genetics) an organism or cell having more than twice the haploid number of chromosomes.
Definition of Polyploid
1. Adjective. (genetics) having more than the usual number of complete sets of chromosomes in a single cell ¹
2. Noun. (biology) a cell or organism that has more than the usual number of complete sets of chromosomes ¹
¹ Source: wiktionary.com
Definition of Polyploid
1. [n -S]
Medical Definition of Polyploid
1. Of a nucleus, cell or organism that has more than two haploid sets of chromosomes. A cell with three haploid sets (3n) is termed triploid, four sets (4n) tetraploid and so on. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Polyploid
Literary usage of Polyploid
Below you will find example usage of this term as found in modern and/or classical literature:
1. Rice Science: Innovations and Impact for Livelihood by T. W. Mew, International Rice Research Institute (2003)
"Wheat genomics: exploring the polyploid model. Curr. Genomics 3:577-591. Faris JD,
Gill BS. 2002. Genomic targeting and high-resolution mapping of the ..."
2. Rice Genetics V by Brar (2007)
"Their genomes have undergone extensive arrangements following polyploidization,
which will have now partially concealed their polyploid origin. ..."
3. The Journal of General Physiology by Society of General Physiologists, Rockefeller Institute, Rockefeller Institute for Medical Research (1920)
"... and changes from the diploid to the tetraploid and polyploid ... other types
of large cells an abnormal number (tetraploid or polyploid) of chromosomes. ..."
4. The Proceedings of the Iowa Academy of Science by Iowa Academy of Science (1890)
"The "giant nuclei" are polyploid, many of them containing well over 100 chromosomes.
The multinucleate and polyploid conditions are brought about by ..."
5. Exploring the Borderlands: Documents Of The Committee On Common Problems Of by Joe Cain (2004)
"Although certain particularly conservative ones, like Sequoia sempervirens seem
to be relic members of ancient polyploid complexes; others, ..."
6. Cord Blood: Establishing a National Hematopoietic Stem Cell Bank Program by Emily Ann Meyer, Kristine M. Gebbie, Kathi E. Hanna (2005)
"First, tissues that tolerate a polyploid state are likely to be the best targets.
... Likewise, hepato- cytes typically persist as highly polyploid cells, ..."
7. A Review of Dipterocarps: Taxonomy, Ecology, and Silviculture by Simmathiri Appanah, Jennifer M. Turnbull (1998)
"... or polyploid chromosomal series, but whether this variation is in the form of
occasional aneuploid or polyploid populations is not known (Ashton 1982). ..."
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