In sunflowers, tall stems (t) is a dominant trait while short stems (t) is a recessive trait. in a field of 1000 sunflowers, 820 are tall plants and 180 are short. which statement best describes the genotype of the sunflowers in the field? a) about 50% are homozygous for tall stems. b) about 75% are homozygous for tall stems. c) about 50% are homozygous for short stems. d) about 50% are heterozygous for tall stems.

The most appropriate answer would be option D.

The ratio of plants with a tall stem to plants with a short stem in roughly equals to 3:1, that is, the phenotype ratio is roughly equal to 3:1.

Thus, by Mendelian genetics, the ratio of the genotypes should be roughly equal to 1 (TT): 2 (Tt): 1 (tt).

Hence, about 50 percent of the population should be heterozygous in nature.

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c is the answer to this question. altitude affects the weather because air molecules evaporate.