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暹罗猫为什么冬天越来越黑

暹罗猫会越来越黑吗 别担心,夏天就白回来了

暹罗猫会越来越黑,暹罗猫变黑和年龄、气温有关。抛开气温的因素,让暹罗猫黑的原因是体内的TYR基因控制器,负责发出络氨酸酶的信号,操控黑色素的合成和沉淀。暹罗猫的年纪越大,合成的络氨酸酶就越多,外表看上去就会比之前更黑。

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