Myrmecia pilosula, an Ant with Only One Pair of Chromosomes

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Science  14 Mar 1986:
Vol. 231, Issue 4743, pp. 1278
DOI: 10.1126/science.231.4743.1278


A new sibling species of the primitive Australian ant Myrmecia pilosula has a chromosome number of n = 1. C-banding techniques confirm that the two chromosomes of workers are homologous. Males are haploid, as in other Hymenoptera, and their somatic cells contain only a single chromosome. This new species is potentially of great importance in both laboratory and field studies on gene organization.

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