This figure illustrates the concept of a ring species formation in Ensatina eschscholtzii salamanders in California. The species originated in northern California and southern Oregon and then expanded south along the Sierra Nevada range. Which statement accurately describes gene flow and gene patterns in these populations?

Tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d