In previous studies, it was determined that the species Prochilodus lineatus presents 54 chromosomes (meta-sub-metacentrics), equal to 108 fundamental number
, not observing sex chromosomal heteromorfism (5).
The diploid number (2n), fundamental number
(NF), and fundamental autosomal number (NFa) along with the shape of autosomes and sex chromosomes were also determined.
In order to determine the Fundamental Number
(NF) the st/a chromosomes were considered as monoarmed.
Acronyms read as follows: 2n = diploid number; FN = fundamental number
proximus shows the number of chromosomes and C-banding pattern more common among cichlids; fundamental number
is within the range characteristic of the family, also the standard NOR had been found in other species.
persicus was consistent with those given by Matthey (9), Nuri et al (10), Vorontsov & Korobitsina (11), Benazzou et al (3), and Nuri and Ercument (12), but different from that given by Matthey (13) who reported that the diploid and the fundamental number
of 42 and 74, respectively.
The female specimen showed diploid number (2n) = 52 chromosomes and fundamental number
(FN) = 92.
Table 1 Summarized data of the Mazama bororo specimens from Intervales State Park with their respective sex (M: male, F: female), class of age, weight (kg), diploid number (2n) and fundamental number
of chromosomic arms (FN), capture date, location (geographical coordinates), and technique employed.
All animals had a diploid number (2N) of 54, and a fundamental number
(number of autosomal arms, FN) of 52 (Figs.
Nomenclature for chromosome morphology and fundamental number
(FN) follows Patton (1967).
Diploid number (2N) was determined by counting at least 10 spreads, whereas fundamental number
was described from computer counts of selected spreads.
Moreover, cytogenetic studies have reported high diploid and fundamental number
for phyllotine species in the lowlands, such as in the genera Andalgalomys and Calomys (Bonvicino et al.