Genetic damage to cone cells, which causes colour blindness, is the most common type of gene disorder seen in humans.
锥体细胞的遗传缺陷导致了色盲，这是人类最常见的一种基因疾病。
Scientists say they are a step closer to curing colour blindness using gene therapy.
科学家称，他们利用基因疗法治疗色盲的方法更进了一步。
However they have a greater power of smell and as such their colour blindness does not handicap them.
况且它们有极强的嗅觉，因此色盲并不会妨碍到它们。
Things in the world may have different colours, but there are colour blindness of various kinds as well.
世间事物各具异彩，但也有形形色色的色盲。
Some characteristics are inherited this way (more or less), and they tend to be the ones that textbooks focus on: for example eye colour, colour-blindness, Huntington's disease.
一些特性是按这种方式遗传(或多或少)，并且他们成为了课本的焦点：举个例子，眼睛的颜色、色盲、亨廷顿氏舞蹈病。
Some characteristics are inherited this way (more or less), and they tend to be the ones that textbooks focus on: for example eye colour, colour-blindness, Huntington's disease.
一些特性是按这种方式遗传(或多或少)，并且他们成为了课本的焦点：举个例子，眼睛的颜色、色盲、亨廷顿氏舞蹈病。
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