According to a genetic model, the distribution of seed coat color in cultivated

Question

According to a genetic model, the distribution of seed coat color in cultivated amaranth grains in the second generation should be black:brown:pale in the ratio of 12:3:1. Geneticists conducted a study to test this model and found a significant difference in color distribution (p < 0.05). They reported the following results in a journal article about their experiment:

Observed Proportions of Seed Coat Colors

Black

Brown

Pale

0.708

0.230

0.062

Which statistical test did they run to conduct this analysis? (1pt)

Write the appropriate null and alternative hypotheses. (2pt)

If you wanted to re-run the same analysis to confirm their results, what other information would you need? (1pt)

Observed Proportions of Seed Coat Colors

Black

Brown

Pale

0.708

0.230

0.062

Explanation / Answer

According to a genetic model, the distribution of seed coat color in cultivated

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