2) You are joining your friend as a farmer growing snow peas that are an average

Question

2) You are joining your friend as a farmer growing snow peas that are an average length of 30mm. He tells you that the shorter snow peas do not sell well and he wants to increase the length of the snow peas over the next few growing years. He says he calculated the narrow sense heritability (?) for his population of plants to be 0.82 last year. 2a) Together you cross snow pea plants with an average length of 36mm, the new population has an average length of 35mm. Has the h for your corn plants held for the next generation? 2b) Assuming that your newly calculated h value will hold for the next 4 generations. How much longer will your new snow pea average length be (than the current average of 35mm) after 4 more generations, if you consistently select a breeding population that has an average length 2mm longer than the original population mean?

Explanation / Answer

2a. Yes the h2 can be held for the next generation as additive variation is more as compared to the population variance with the average length of 36mm.

2b. The next 4 generation will show h2 = 37mm as it shows additive variance

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