1979
DOI: 10.1139/g79-006
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THE CHROMOSOMES OF THE CANADIAN BEAVER CASTOR CANADENSIS

Abstract: A chromosome analysis of 24 Canadian beavers, Castor canadensis Kuhl (12 males and 12 females), captured in Laurentides Park, Qébec, has been performed from preparations of blood lymphocyte and skin cultures. The chromosome number was found to be 2n = 40. Measurements were made to determine relative lengths and arm ratios of chromosomes, which are metacentric or submetacentric. Results are in agreement with those already published regarding the chromosome number, but differ in the identification of the X chrom… Show more

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Cited by 7 publications
(11 citation statements)
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“…According to current taxonomy, Castorimorpha includes beavers, pocket and kangaroo mice, pocket gophers-some 102 species in all. Karyotypes of only two species have been described using banding techniques-Castor fiber and C. canadensis (Genest et al, 1979; Atlas of mammalian chromosomes, 2006). Castor fiber is the only species investigated by comparative chromosome painting (Beklemisheva et al, 2011).…”
Section: Castorimorphamentioning
confidence: 99%
“…According to current taxonomy, Castorimorpha includes beavers, pocket and kangaroo mice, pocket gophers-some 102 species in all. Karyotypes of only two species have been described using banding techniques-Castor fiber and C. canadensis (Genest et al, 1979; Atlas of mammalian chromosomes, 2006). Castor fiber is the only species investigated by comparative chromosome painting (Beklemisheva et al, 2011).…”
Section: Castorimorphamentioning
confidence: 99%
“…
Approuve le mars 31, 1986 Dans le cadre d'une etude comparee du caryotype de plusieurs mammiferes canadiens (Genest 1983), nous avons pu examiner les chromosomes du porc-epic nord-americain, Erethizon dorsatum (Rongeurs, Erethizontides). Six individus femelles provenant du Jardin zoologique de Quebec ont ete etudies.
…”
unclassified
“…Six individus femelles provenant du Jardin zoologique de Quebec ont ete etudies. Des cultures fibroblastiques et lymphocytaires ont etc etablies et ont servi a preparer des caryotypes par la methode conventionnelle ainsi que par la technique de coloration en bandes C. Les methodes sont decrites dans Genest et al (1979) et dans Genest (1983.Les donnees (Fig. 1) confirment que le porc-epic a 2n=42 chromosomes, comprenant 5 paires d'autosomes metacentriques, 13 paires de submetacentriques et 2 paires de petits acro centriques (Benirschke et Kessler 1967, Benirschke 1968, Hsu et Benirschke 1968, Wurster et al 1971.…”
unclassified
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