Will your baby's eye color change?

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The color of your child's eyes can change over time. The color of a child's eyes is determined by a substance called melanin. Melanin is a dark pigment found in the iris , a structure that controls the amount of light that enters the eye. The color of the iris is determined by the amount of melanin in the iris. Light eyes have very little pigment, while dark eyes have a lot.

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In newborns, the iris pigmentation process is not yet complete. Babies with darker skin are usually born with dark eyes that remain relatively dark. The color of the iris in fair-skinned babies is usually blue or bluish-gray at birth and then changes as they grow.

Melanin production changes during the first year of life, generally resulting in a darker and deeper eye color than at birth.

When is eye color set?

A permanent eye color is not established until the baby is 9 months old, so wait until the baby's first birthday to determine what color it will be. Even so, sometimes you can find little surprises. Minor color changes can occur up to 3 years of age. For example, green eyes may gradually turn brown and hazel eyes may turn dark brown.

The baby's eye color is influenced by the color of his parents' eyes. Eye color is often studied in the field of genetics due to its inheritance patterns, but it has yet to be fully studied. The inheritance patterns of eye color are much more complex than what we learn in basic genetics, which is taught in biology in high school.

Your child's final eye color is largely up to you and your spouse. We used to think that brown was dominant and blue recessive. But modern science has shown that eye color is far from simple.

Eye color is controlled by three main genes. Researchers know two of these genes very well, and one of them remains a mystery. These genes control the development of green, brown, and blue eyes. Gray, hazelnut, and other combinations are harder to predict.

Predict eye color

While your child will have predictions about exact eye color , there are good odds that you may know. For example, if both parents have brown eyes, but one parent has a blue-eyed parent, they are more likely to keep their child's blue eyes. If both parents have blue eyes, your child's eyes are most likely still blue.

If one parent has blue eyes and the other has brown eyes, then your child's eyes are 50% more likely to change. On the other hand, many parents who have blue eyes and brown eyes in one parent can have green or brown eyes.

You can assume that no eye color is the dominant gene, so they match perfectly. However, science shows that eye colors are not an exact mix, but rather a pair of genes that can create many possibilities.

Scientists are working on a DNA-based test that can predict eye color. The question then arises: "Is it really that important that our child is healthy?" However, it can be important for the development of genetic diseases that can affect the health of your children.

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