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Science. 1986 Mar 14;231(4743):1278.

Myrmecia pilosula, an Ant with Only One Pair of Chromosomes.


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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