Since鱼类没有性染色体, how do 红魔鬼 maintain正常雌雄比例为1：1?

Since鱼类没有性染色体, how do 红魔鬼 maintain正常雌雄比例为1：1?

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送交者: yell 于 2008-05-01, 11:11:57:

some sex-determination loci function as if they were 性染色体?

Since 水温、酸碱度等环境因素发挥着重大的作用on 鱼类的性别, the expression of those sex-determination loci must be affected by such environmental factors (repressed or activated).

引用：

http://www.xys.org/forum/db/3/108/168.html
http://www.xys.org/xys/netters/Fang-Zhouzi/bingdian/cichlid.txt

没必要是1:1吧? Why can't be other ratio? (无内容) - Latino2 (0 bytes) 2008-05-01, 11:52:53 (222872)
- was 1;N before (无内容) - psychina (0 bytes) 2008-05-01, 12:55:26 (222904)
- 版主said so - yell (304 bytes) 2008-05-01, 12:53:33 (222903)