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0:54
La magia de ser pelirroja está en la genética 🧬 Nuestro cuerpo produce distintos tipos de melanina y, en quienes tenemos variantes del gen MC1R, la señal que favorece la producción de eumelanina es más débil. Como resultado, predomina la feomelanina, responsable de los tonos rojizos del cabello. La melanina se organiza dentro de las células formando pequeñas “sombrillas” sobre el núcleo, donde está el ADN (supranuclear caps), ayudando a protegerlo de la radiación UV. Sin embargo, la feomelanina
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7 months ago
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biologiaconali
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