Table 1.

Summary of Euchromatic satDNA Cluster Sizes on X Chromosome.

Species	Total No. 1.688	No. 1.688 Clust	% N = 1 1.688	% N < 4 1.688	No. Rsp-like	No. Rsp-like Clust	% N = 1 Rsp-like	% N < 4 Rsp-like
Drosophila mauritiana	1,165	325	24.00	68.31	225	26	30.77	34.62
Drosophila sechellia	2,486	308	33.44	82.14	102	12	50.00	58.33
Drosophila simulans	786	324	31.17	89.20	326	38	18.42	34.21
Drosophila melanogaster	808	274	33.94	83.94	41	19	73.68	78.95

Note.—Total No., number of total repeats; No. Clust, total number of clusters at distinct loci; % N = 1, percentage of singletons (clusters of a single repeat); % N < 4, percentage of small clusters (<4 repeats).