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Science 14 March 1986:
Vol. 231. no. 4743, p. 1278
DOI: 10.1126/science.231.4743.1278
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Articles

Myrmecia pilosula, an Ant with Only One Pair of Chromosomes

MICHAEL W. J. CROSLAND 1 and ROSS H. CROZIER 1

1 School of Zoology, University of New South Wales, Kensington, N.S.W., Australia 2033.

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.

Submitted on October 17, 1985
Accepted on December 18, 1985


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