Publications by authors named "Paulo J Siqueira do Amaral"

Article Synopsis
  • The study focuses on the spiny rats (Proechimys goeldii) found in the Amazon, revealing two distinct genetic groups based on chromosomal and DNA analysis.
  • Researchers identified two cytotypes (A and B), showing notable differences in their karyotypes, including chromosome structure and composition.
  • The Xingu River acts as a geographical barrier that separates these populations, which helps explain observed genetic diversity and contributes to the concept of cryptic species in this region.
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