The offspring of the RRYY x rryy cross, which is called the F1 generation, were all heterozygous plants with round, yellow seeds and the genotype RrYy. Next, Mendel crossed two plants from the F1 ...
Complete this Punnett square to show the possible allele ... This means that all the offspring in the F1 (first generation) will be tall. 75 per cent of the offspring will be tall, because they ...