Find the genotype and phenotype ratios expected from crossing two heterozygous plants

The genotype ratio from crossing two heterozygous plants gives RR, Rr, Rr and rr which results into having three dominating plants against one recessive plant

Explanation:

From the above results, it is imperative to know that after the crossing of two heterozygous plants, we have a dominating homozygous plant, two dominating heterozygous plants with an homozygous recessive plants.

the phenotypic implication shows that, three plants will be tall while one will be dwarf/short as it possess a recessive gene

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

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