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Biology/eye colour

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Expert: - 8/12/2005


Question
Hello, I have a friend who's 25 year old brother's eye colour has suddenly changed from brown to green..is this possible? I though it only happened in very young children?

thanks

Answer
Hi tendai;
First of all since it happened it is, of course. possible.  Though unusual, changes in eye color do occur and it is probably genetic.  Since in this case the color changed from a darker to a lighter color there was a loss of pigmentation.

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Walter Hintz

Expertise

Science teacher for over 50 years. MSc. in biology. I can answer questions in general biology, zoology, botany, anatomy and physiology and biochemistry.

Experience

I have a MSc in biology and have been a science teacher for over 50 years. At present I am a faculty member at a college and a science consultant at seven catholic schools.

Publications
The Ohio journal of Science
Momentum-The Journal of the Catholic Education Association

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