But some of them happened to produce less melanin.

比如钙，铁，镁，磷酸盐，锌。

Eye color is also related to melanin.

眼睛的颜素有关。

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

这种素比例由一个基控制的，这个基也控制着我们皮肤中的素。

The melanin is what darkens your skin.

素使皮肤变。

The more melanin you have, the darker your skin.

你拥有的素越多，你的皮肤越。

The melanin makes the color of the eyes?

素决定了眼睛的颜？

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

你的眼睛没有或其他素。

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

OCA2 负责我们眼睛中一种叫做素的蛋白质。

The gray comes because we lose melanin.

灰为我们失去了素。

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.

有些黄的，有红的， 同时也有些有深深的素。人们以为。

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

头发的颜由一种叫做素的素决定的。

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

我的眼睛有很多素，所以深褐的。

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

它们含有素衰变後的矿物。

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

婴儿眼睛中的素水平决定了他们的眼睛变的程度。

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

棕的真素和红黄的褐素。

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

发根相关的素细胞会将素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，就不能产生素。

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

动物身上的棕、和红一种叫做素的素所导致的。

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

然而，对于这百分之一的人来说，每只眼睛中素的数量并不均匀。