How does the recessive gene causing the white coat affect a tiger's essential protein and fat requirements?
Answer
It does not alter the essential protein and fat requirements necessary to sustain the animal.
The genetic mechanism responsible for the white coat color in tigers is linked to a specific recessive gene that dictates pigmentation, specifically resulting in a lack of pheomelanin pigment. This genetic difference is entirely independent of the genes that control fundamental metabolic functions, digestion, or the structural needs of the tiger's musculature and energy reserves. Consequently, whether an individual is white or orange, its biological machinery demands the exact same ratios of animal protein and fat derived from prey to maintain muscle mass, support body temperature, and store essential energy reserves required for a large carnivore.
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