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?
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?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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