TABLE 1.

Summary of the DrosDel RS collection and deletions constructed

Chromosome arm	No. of mapped RS inserts per chromosome arm	No. of deletions constructed	No. of deletions molecularly confirmed by PCR	No. of deletions confirmed by complementation	No. of deletions confirmed by both molecular and genetic tests	Average deletion size for each chromosome arm (kb)	Average no. of genes removed by deletion for each chromosome arm
2L	659	276	137	22	15	328	38
2R	736	74	41	39	33	459	62
3L	538	67	48	55	45	475	54
3R	696	169	85	104	82	376	46
4	23	8	6	8	6	313	19
X	680	71	53	11	4	311	33
Total	3332	665	370	239	189	377	42