Does the fact that your roommate is from Sweden and has darker hair and olive skin disprove the fact that Scandinavians are usually fair-skinned and have blonde hair. Introduction: A single exception does not disprove a common observation, especially when genes are involved, since genetic variations are always possible.

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Chapter 1, Problem 17SA

Summary Introduction

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Does the fact that your roommate is from Sweden and has darker hair and olive skin disprove the fact that Scandinavians are usually fair-skinned and have blonde hair.

Introduction:

A single exception does not disprove a common observation, especially when genes are involved, since genetic variations are always possible.

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