In certain cattle, hair color can be red (Homozygous R1R1), white (R2R2), or roan (a mixture of red and white hairs, R1R2). What type of expression is occurring? a) When a red bull is mated to a white cow, what genotypes and phenotypes of offspring could be obtained? What are the proportions? In the edible pea, tall (T) is dominant to short (t), and green pods (G) are dominant to yellow pods (g). List the types of gametes and offspring that would be produced in the following crosses. a) TtGg X TtGg b) TtGg X TTGG c) TtGg X Ttgg