But some of them happened to produce less melanin.

如钙，铁，镁，磷酸盐，锌。

Eye color is also related to melanin.

眼睛的颜色与黑色有关。

This pigment ratio is controlled by a gene, which also controls the melanin in our skin.

这色是由个基因控制的，这个基因也控制着我们皮肤中的黑色。

The melanin is what darkens your skin.

黑色使皮肤变黑。

The more melanin you have, the darker your skin.

你拥有的黑色越多，你的皮肤越黑。

The melanin makes the color of the eyes?

黑色决定了眼睛的颜色？

Your eyes don't have any pigment or melanin in them.

你的眼睛没有黑色或其他色。

OCA2 is responsible for a protein called melanin in our eyes.

OCA2 负责我们眼睛中做黑色的蛋白质。

The gray comes because we lose melanin.

灰色是因为我们失去了黑色。

For light-skin people, that extra melanin darkens their skin and produces a tan.

这取决于阳光照射时皮肤的反应。

Some are yellow others are red and some contain the dark melanin pigment.

有些是黄色的，有红色的， 同时也有些有深深的黑色。人们以为。

Your hair's colour is determined by something called melanin, which is pigment.

头发的颜色是由做黑色的色决定的。

My eyes have a lot of melanin, that's why they are dark brown.

我的眼睛有很多黑色，所以是深褐色的。

They contained minerals that would result from the decay of melanin.

它们含有黑色衰变後的矿物。

The melanin levels in a baby's eyes determine how dark their eyes become.

婴儿眼睛中的黑色水平决定了他们的眼睛变黑的程度。

It gets its color from two types of melanin: brown-black eumelanin and red-yellow pheomelanin.

棕黑色的真黑色和红黄色的褐色。

Melanocytes associated with the hair root will deposit melanin to the cells that compose our hair.

与发根相关的黑色细胞会将黑色沉积到构成我们头发的细胞中。

If they can't mature, they won't be able to produce melanin.

如果它们不能成熟，就不能产生黑色。

Animals get their shades of browns, blacks and reds, as the result of a pigment called melanin.

动物身上的棕色、黑色和红色是做黑色的色所导致的。

However, for those one in 100, the amount of melanin in each eye isn't uniform.

然而，对于这百分之的人来说，每只眼睛中黑色的数量并不均匀。