Euchromatic genes 4 |% p0 n& a' f0 jmay be silenced and even exhibit a variegated phenotype when) X- C& d v6 z
juxtaposed to heterochromatic sequences following chromosomal& N5 O7 E& k( E
rearrangement or transposition 。4 n# m' I. Z$ |5 z: i% M9 k
/ D! ^& M Y; C9 `8 v/ B" S
谢谢作者: 白巧克力 时间: 2011-9-6 09:07
回复 白巧克力 的帖子 ' A! C" R" e/ {' N5 [ D- |" C: h2 B
The two main chromatin states are heterochromatin and7 u% a# y8 I6 c' m9 r6 F* ]
euchromatin. Heterochromatin exists in various tightly bound 3 b/ r" a+ Z- @+ c9 i' j9 Sconformations. Euchromatin is less condensed and most often * |9 n8 m! L& r) k" S! Sassociated with transcriptional activation. Euchromatic genes) R5 e `, o' i5 j7 H1 f/ H6 l# v+ K* k
may be silenced and even exhibit a variegated phenotype when4 ~5 F/ K7 z9 Q% v! ?% _
juxtaposed to heterochromatic sequences following chromosomal 4 z. n% r) Z6 P5 R7 ?rearrangement or transposition 1 k+ D, j+ _/ h0 _这是一整段。本文讲染色体包装的作者: ndwzf 时间: 2011-9-6 12:59