Publicação: Cytogenetic analysis of the Marsh Deer, Blastocerus dichotomus (Mammalia, Cervidae)
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1995-01-01
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The chromosomic constitution of the Marsh Deer (Blastocerus dichotomus) was studied in 18 males and 18 females, mainly from the Tiete river basin in Sao Paulo State, Brazil. The species diploid number was determined to be 66 chromosomes and the fundamental number (FN), 74. The X and the Y were the largest and the smallest chromosome, respectively. Large amounts of the constitutive heterochromatin marked by the C band were located in the centromeric region of all the acrocentric chromosomes. The first chromosome pair was not marked and the second and third pairs showed weak centromeric markings. The X chromosome showed two strong telomeric markings while the Y was C band negative. Chromosomes four and five were the NOR carriers. Polymorphism for this band was observed in pair four. The results of this study are in agreement with other reports in the literature, in spite of the different origin of the animals.
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Inglês
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Revista Brasileira de Genetica, v. 18, n. 2, p. 245-248, 1995.
