In order to selectively breed smaller soybean plants, you only collect seeds from the smallest individuals in your current crop. The mean weight of the plants in your crop is kg. You have read that the (narrow-sense) heritability of weight in similar populations is 0.8, and you have raised your plants in comparable environmental conditions from similar seed stock. The mean weight of the plants you chose as parents of the next generation is 900 grams. What is the expected response to selection? -80 g -20 g +900 g

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