In order to selectively breed larger corn plants, you only collect seeds from the tallest individuals in your current crop. The mean height of the plants in your crop is 100 cm. You have read that the (narrow-sense) heritability of height in similar populations is 0.4, and you have raised your plants in comparable environmental conditions from similar seed stock. You see a response to selection of 8 cm; unfortunately, you forgot to measure the strength of selection by recording the mean height of the parents of this generation. What is your best estimate of the mean height of the parents, given this heritability and response to selection?

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Hello, I need to talk about "Cognitivo-Behavioral Therapy" for my psychology class. Can you please help me with a short explanation and maybe how I can use it as a nurse? Thank you in advance!