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guzmanmichelang guzmanmichelang
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6 years ago
The accumulation of melanin into freckles is a genetic trait. These patches of pigmentation tend to darken with sun exposure and fade during the winter when there is less exposure to the sun.

True or False?
Textbook 
Principles of Anatomy and Physiology

Principles of Anatomy and Physiology


Edition: 14th
Authors:
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ghazalghazal
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6 years ago
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