How can you tell what genes are recessive or dominant when looking at actual gene setups?

Although the two theories differ on the evolutionary path of dinosaurs, they agree that

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

Select the correct answer. 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