Thermal evolution of gene expression profiles in Drosophila subobscura

Table 2 Chromosomal distribution of genes differing in gene expression

Muller's chromosomal element	D. melanogaster	D. subobscura	Size of euchromatic portion (Mb; [63])	Genes differing in gene expression
				Observed	Expected
				f	$\hat{f}$
A	X	A	21.8	45	52.576
B	2L	U	23.0	63	55.471
C	2R	E	21.8	58	52.576
D	3L	J	24.4	70	58.847
E	3R	O	28.0	51	67.529
Sum			119	287	287

The G-test for goodness of fit [64] is $G_{(4)} = 2 \sum_{i = 1}^{5} f_{i} \log_{e} (\frac{f_{i}}{{\hat{f}}_{i}}) = 9.08$ ; p = 0.059.

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