. Current herpetology. Reptiles; Herpetology. f! ft A *,* • * * * . » 16 ff W M B I 1 I I "- * « * * ? § * * * * 17 FlG. 1. Male katyotypes of (A) Acanthosaura armata, and (B) Bronchocela cristatella. Bar equals 5 urn. The karyotypes of Calotes emma and C. versicolor were also similar to that of A. armata in the number (six pairs), shape (meta- centric), and size arrangement (prominent gap only between pairs 5 and 6) of macrochromo- somes (Fig. 2, Appendix). However, they dif- fered from the A. armata karyotype by having an additional pair of microchromosomes, which made the diploid and f
. Current herpetology. Reptiles; Herpetology. f! ft A *,* • * * * . » 16 ff W M B I 1 I I "- * « * * ? § * * * * 17 FlG. 1. Male katyotypes of (A) Acanthosaura armata, and (B) Bronchocela cristatella. Bar equals 5 urn. The karyotypes of Calotes emma and C. versicolor were also similar to that of A. armata in the number (six pairs), shape (meta- centric), and size arrangement (prominent gap only between pairs 5 and 6) of macrochromo- somes (Fig. 2, Appendix). However, they dif- fered from the A. armata karyotype by having an additional pair of microchromosomes, which made the diploid and fundamental numbers 34 and 46, respectively. In all karyotypes examined, no sex chro- mosome heteromorphism, or intraspecific chro- mosomal variations were evident, although female karyotypes were not available for A. armata, B. cristatella, and C. emma. Discussion This is the first chromosomal description for the genus Acanthosaura. The karyotype of A. armata differs from most other known karyotypes of the group V species (Moody, 1980; Honda et al., 2000) in having only 20 microchromosomes, because most other mem- bers of this tropical Asian clade have another pair of microchromosomes (, Moody, 1980; Witten, 1983; Solleder and Schmid, 1988; Ota and Hikida, 1989). Within this group, the 20 microchromosome state is shared only with Bronchocela cristatella (see Solleder and Schmid [1988] and below), Calotes versi-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Nihon Hachu Ryoseirui Gakkai. Kyoto : The Herpetological Society of Japan
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