Answer:
The correct answer is - Hox gene.
Explanation:
Synpolydactyly is a joint presentation of syndactyly is the condition of the partially or completely duplicated fingers or toes and weblike development in between toes and fingers.
This takes place due to the Gene of HOX family that has mutated to rise this condition in the individual. The gene that is responsible for this genetic condition is the mutation in the D13 gene.
The correct answer is - Hox gene
The long period of time over a region is called climate