en, genotype X(H)X(h), phenotype is normal because
所在版块：求学狮城 发贴时间：2003-02-21 02:22  评分:

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the disease is recessive, no symptom, quite right.
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A question about Genes&society!!! － wobufu 　2003-02-21 01:49 (853 bytes , 422reads )
some points － MuHaha 　2003-02-21 02:20 (538 bytes , 249reads )
"perfectly free" here means no symptom. － 蹦蹦蹦 　2003-02-21 02:17 (88 bytes , 186reads )
en, genotype X(H)X(h), phenotype is normal because － MuHaha 　2003-02-21 02:22 (50 bytes , 249reads )