Geneticist gene wants to cross two hybrid genes. What is the GENOTYPIC ratio? a) 1:2:1
b) 3:1
c) 1:3
d) 2:2

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