. Author manuscript; available in PMC: 2015 Apr 9.

Published in final edited form as: Science. 2014 Jan 23;343(6172):769–772. doi: 10.1126/science.1248286

Table 1.

Properties of segregating and fixed de novo genes and comparison with annotated male-biased genes in D. melanogaster.

	Segregating de novo genes^a	Fixed de novo genes^b	Male-biased genes^c
Number	142	106	1595
Transcript length (bp)	801 ns/^***	1013 ^**	1184
Exon length (bp)	518 ^/^**	512 ^***	355
Exon number	1.47 ^/^**	1.79 ^*	2.37
Intron length (bp)	91 ^/^**	70.5 ^***	77
5' UTR length (bp)	248 ^/^**	267.5 ^***	170
3' UTR length (bp)	364 ns/^***	337 ^***	267
Single-exon Gene (%)	57 ^/^**	48.1 ^***	35.8
Expression (FPKM)	7.78 ^*/^*	19.96 ^***	66.54

Wilcoxon test,

^***

p<0.001,

^**

p<0.01,

p<0.05, ns = not significant.

p-values are comparisons of segregating vs. fixed genes and segregating vs. male-biased genes.

p-values are comparisons of fixed de novo genes and male-biased genes. c: definition in (13). All estimates are medians, except for exon number (mean).