Are Blue Eyes Endangered?
Interactive Video
•
Science, Physics, Biology
•
11th Grade - University
•
Practice Problem
•
Hard
Wayground Content
FREE Resource
The video explores the history and genetics of blue eyes, a trait that is becoming rarer but unlikely to disappear. It explains that blue eyes originated from a genetic mutation in the OCA2 gene, affecting melanin production in the iris. This mutation causes light scattering, making eyes appear blue. The spread of blue eyes in Europe may be due to mating patterns and potential advantages in northern climates. Blue eyes are inherited through recessive alleles, and their prevalence is decreasing as populations mix. Despite this, blue eyes will remain a minority trait.
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2 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What factors contributed to the rapid spread of blue eyes in Europe?
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
Why is the percentage of blue-eyed individuals decreasing in the western world?
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