1. But many primates, including humans, hae a third photopigment, encoded by a second gene on the X chromosome.
   但是多数灵长类包括人类有着三种感光色素，通过在X染色体中的第二种基因编码。
2. The results showed that the variation of the color display were not significantly corelated with the composition of the photopigments of their zooxanthella.
   研究方法主要是藉色层分析法，如滤纸色层分析法，薄层色层分 析法及高压液相层析法等方法以达分离、分析和定量色素的目的。

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