Tiger Mutation in Boas

The tiger mutation produces a reduced pattern in boa constrictors. The reduction of the pattern usually does not affect the tail, these boas have fewer saddles which are very thin lines. They also have an increased number of yellow pigmentation cells in their dermis and epidermis. These pigmentation cells are called xanthophores, they synthesize enzymes that convert carotenoids into the yellow pigment xanthin.

This mutation originates from both Central and South American boa constrictors and the genetics are not fully understood, it is either inherited dominantly or through incomplete dominance. This mutation is not well understood but it is either dominant or incompletely dominant. The homologous form of the mutation is expressed when the boa has two homologous alleles of the mutated gene, this is referred to as the “super” form. The heterozygous tiger carries one mutated allele and one normal allele.

One Reply to “Tiger Mutation in Boas”

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