Alley Mills -- Good Genes or Good Docs?

Alley Mills' good looks are a world wonder!

Here's a 38-year-old version of everyone's favorite TV mom from back in the "The Wonder Years" days (left) and 27 years later ... the blonde bob-shell -- who is celebrating her 65th birthday this month -- at a daytime Emmys party last weekend (right).

"The Bold and the Beautiful."

The question is ...