Inconsequential: Inheritance patterns

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Wednesday, July 20, 2005

Inheritance patterns

"My friend has different colored eyes, one is blue and the other is green. Why is that. Is she a mutant?"
"Nah..! What's the color of her parents eyes?"
"I guess, they have blue and brown eyes."
"She most likely inherited it. Eye color is dependant on the expression of 6 or more genes exhibiting a polygenic inheritance patern."
"What!... Sounds way too complex. Is there a simpler explanation?"
"Yeah! She has one glass eye."