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Patches on the extremities such as on snout, ears and paws in the Himalayan rabbit and Siamese cat in the form of dark fur is due to temperature-sensitive genes of pigment synthesis. At a lower temperature, enzyme on extremities is more active compared to other parts of the body where the enzyme is inactive due to high temperature.

(SOURCE: SHUTTERSTOCK).

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EXTENSION AND MODIFICATION OF MENDEL LAWS AND GENE INTERACTION

CONCEPT OUTLINE

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