A new cytotype for the El Carrizo deer mouse Peromyscus ochraventer

Irma Urbina Sánchez, María de los Angeles Aguilar Santamaría* and Gerardo López-Ortega M

Peromyscus ochraventer is a rodent species endemic of Mexico. In 1981, Robbins and Baker described its karyotype from one single female which presented 2n = 48 and FN = 60. In this paper we describe the Y chromosome of the male and a new cytotype for the species, 2n=48, FN= 58, that was identified in all of the collected specimens. The FN = 58 is due to one pericentric inversion in chromosome 6, as shown by G-banding pattern.

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Published on: Oct 21, 2020 Pages: 34-37

Full Text PDF Full Text HTML DOI: 10.17352/gjz.000019
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