Markup | Genome Research

Table 5.

Chromosomal Distribution of Putative D. melanogasterOrthologs of A. gambiae Genes

A. gambiae polytene chromosome arms, observed and expected genes, and P values of the binomial test		D. melanogaster polytene chromosome arms
		X	2L	2R	3L	3R	4
X(13 genes)
Observed genes	7	0	2	0	3	1
Expected genes	2.39	2.52	2.35	2.67	3.07	0.13
Pvalue of the binomial test	0.0036	0.0508	0.2844	0.0503	0.2547	0.1152
2R(12 genes)
Observed genes	1	1	0	2	8	0
Expected genes	2.21	2.33	2.17	2.47	2.83	0.12
Pvalue of the binomial test	0.2351	0.2169	0.0913	0.2791	0.0016	0.8864
2L(19 genes)
Observed genes	4	2	5	8	0	0
Expected genes	3.49	3.68	3.43	3.91	4.49	0.19
Pvalue of the binomial test	0.2101	0.1651	0.1373	0.0193	(0.0060)	0.8262
3R(13 genes)
Observed genes	1	8	3	1	0	0
Expected genes	2.39	2.52	2.35	2.67	3.07	0.13
Pvalue of the binomial test	0.2089	0.0009	0.2300	0.1692	(0.0298)	0.8775
3L(13 genes)
Observed genes	2	0	7	2	2	0
Expected genes	2.39	2.52	2.35	2.67	3.07	0.13
Pvalue of the binomial test	0.2822	0.0608	0.0033	0.2624	0.2238	0.8775

[i] Legend as in Table 3, except that expected numbers and Pvalues were calculated for D. melanogaster chromosome arms. The actual DNA content of the D. melanogaster chromosome arms (Adams et al. 2000) was used for the calculations.