Since invasive species did not co-evolve with the other species in the ecosystem where they were introduced species often unbalance the ecosystems into which they are introduced because they did not co-evolve with the natural species and lack natural controls, like predators.

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