Pepper variety with yellow fruits was crossed with a variety with brown fruit. Hybrids with red fruits have turned out, and in F1 there are about 180 plants with red fruits, 60 with yellow, 60 with brown and 20 with green. 1) How many homozygous yellow plants were among F1 hybrids? 2) How many different genotypes were among the red F1 plants? 3) How many types of gametes can the green fruit plants of F1 make? 4) How many F1 plants were completely heterozygou