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Physical mapping of repetitive DNA suggests 2n reduction in Amazon turtles Podocnemis (Testudines: Podocnemididae)

Fig 1

Double FISH with telomeric (TTAGGG)n probes and 45S rDNA.

Telomeric (TTAGGG)n probes (in green) show the interstitial telomeric sequences in the pairs 1–5, 7 and 13, and in a single chromosome of the pair 6, and 45S rDNA (in red) in the proximal region of the short arm of the pair 1, adjacent to the interstitial telomeric sequences in (a) P. expansa and (b) P. unifilis. Scale bar = 10μm.

Fig 1

doi: https://doi.org/10.1371/journal.pone.0197536.g001