【正文】
(7) when presented with an oestrous target female, neither Lmx1b/ males nor Tph2/ males were different from wildtype males. 總結(jié): 參考資料: Molecular regulation of sexual preference revealed by geic studies of 5HTin the brains of male mice . Nature 09822 Cre 重組酶結(jié)構(gòu)與功能的研究進展 . 生物工程學報 Vol. 18 No. 5 以及維基百科、百度百科有關(guān)詞條 。 (5) wildtype males always mounted females before males but a significant fraction of Lmx1b/ or Tph2/ males mounted males first。 (3)in mating choice, the latency, frequency and duration of Lmx1b/ males to mount males, but not to mount females, was changed。 (1)the ratio of male–male and male–female interactions was repeatedly measured to analyse sexual preference。 雄雄交配實驗,Tph2-/-注射之后四項指標均恢復至野生型水平 配偶選擇實驗和床鋪實驗,注射之后也均恢復至野生型水平 Tph2+/+和 Tph2- /-只面對雌性的對比