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diploid
diploid Cell that has its chromosomes in pairs. Diploids are found in almost all animal cells, except gametes which are haploid (a single set of chromosomes). Cells of flowering plants and gymnosperms are also diploid. Algae and lower plants, such as ferns, have two generations (alternation of generations) in their life cycle, one diploid, the other haploid. In diploids, the chromosomes of each pair carry the same genes.
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"diploid." World Encyclopedia. 2005. Encyclopedia.com. 9 Feb. 2012 <http://www.encyclopedia.com>. "diploid." World Encyclopedia. 2005. Encyclopedia.com. (February 9, 2012). http://www.encyclopedia.com/doc/1O142-diploid.html "diploid." World Encyclopedia. 2005. Retrieved February 09, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-diploid.html |
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diploid
diploid A cell with 2 chromosome sets, or an individual with 2 chromosome sets in each cell (excluding the sex chromosomes which may or may not be represented twice, according to the sex of the individual). A diploid state is written as 2n to distinguish it from the haploid state of n. The zygotes of many green algae and fungi are diploid, as are the sporophytes of other algae, mosses, liverworts, and vascular plants.
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MICHAEL ALLABY. "diploid." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 9 Feb. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "diploid." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (February 9, 2012). http://www.encyclopedia.com/doc/1O7-diploid.html MICHAEL ALLABY. "diploid." A Dictionary of Plant Sciences. 1998. Retrieved February 09, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-diploid.html |
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diploid
dip·loid / ˈdipˌloid/ Genetics • adj. (of a cell or nucleus) containing two complete sets of chromosomes, one from each parent. Compare with haploid. ∎ (of an organism or part) composed of diploid cells. • n. a diploid cell, organism, or species. DERIVATIVES: dip·loi·dy / -ˌloidē/ n. |
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"diploid." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 9 Feb. 2012 <http://www.encyclopedia.com>. "diploid." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (February 9, 2012). http://www.encyclopedia.com/doc/1O999-diploid.html "diploid." The Oxford Pocket Dictionary of Current English. 2009. Retrieved February 09, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-diploid.html |
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diploid
diploid Applied to a cell that has two chromosome sets, or an individual with two chromosome sets in each cell (excluding the sex chromosomes which may or may not be represented twice, according to the sex of the individual). A diploid state is written as 2n to distinguish it from the haploid state of n. Almost all animal cells (except gametes) are diploid.
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MICHAEL ALLABY. "diploid." A Dictionary of Zoology. 1999. Encyclopedia.com. 9 Feb. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "diploid." A Dictionary of Zoology. 1999. Encyclopedia.com. (February 9, 2012). http://www.encyclopedia.com/doc/1O8-diploid.html MICHAEL ALLABY. "diploid." A Dictionary of Zoology. 1999. Retrieved February 09, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-diploid.html |
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diploid
diploid Applied to a cell with two chromosome sets, or an individual with two chromosome sets in each cell (excluding the sex chromosomes, which may or may not be represented twice, according to the sex of the individual). A diploid state is written as 2n to distinguish it from the haploid state of n. Almost all animal cells (except gametes) are diploid.
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MICHAEL ALLABY. "diploid." A Dictionary of Ecology. 2004. Encyclopedia.com. 9 Feb. 2012 <http://www.encyclopedia.com>. MICHAEL ALLABY. "diploid." A Dictionary of Ecology. 2004. Encyclopedia.com. (February 9, 2012). http://www.encyclopedia.com/doc/1O14-diploid.html MICHAEL ALLABY. "diploid." A Dictionary of Ecology. 2004. Retrieved February 09, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-diploid.html |
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diploid
diploid Describing a nucleus, cell, or organism with twice the haploid number of chromosomes characteristic of the species. The diploid number is designated as 2n. Two sets of chromosomes are present, one set being derived from the female parent and the other from the male. In animals, all the cells except the reproductive cells are diploid.
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"diploid." A Dictionary of Biology. 2004. Encyclopedia.com. 9 Feb. 2012 <http://www.encyclopedia.com>. "diploid." A Dictionary of Biology. 2004. Encyclopedia.com. (February 9, 2012). http://www.encyclopedia.com/doc/1O6-diploid.html "diploid." A Dictionary of Biology. 2004. Retrieved February 09, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-diploid.html |
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diploid
diploid (dip-loid) adj. describing cells, nuclei, or organisms in which each chromosome except the Y sex chromosome is represented twice. Compare haploid.
—diploid n. |
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"diploid." A Dictionary of Nursing. 2008. Encyclopedia.com. 9 Feb. 2012 <http://www.encyclopedia.com>. "diploid." A Dictionary of Nursing. 2008. Encyclopedia.com. (February 9, 2012). http://www.encyclopedia.com/doc/1O62-diploid.html "diploid." A Dictionary of Nursing. 2008. Retrieved February 09, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O62-diploid.html |
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