Reports

Chromosome Number of the Chimpanzee, Pan troglodytes

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Science  03 Jun 1960:
Vol. 131, Issue 3414, pp. 1672-1673
DOI: 10.1126/science.131.3414.1672

Abstract

The chromosome numbers of nine chimpanzees (Pani troglodytes) have been determined by the bone marrow technique. The diploid number in this species is 48, with a probable XX-XY sex chromosome constitution.