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Question: Beginning in 1986 and ending 1997 (with some work done afterwards) the Florida Fish and Wildlife …


Beginning in 1986 and ending 1997 (with some work done afterwards) the Florida Fish and Wildlife Commission (FWC) conducted an intensive, long-term study on the population of key deer on Big Pine Key. (If you dont know what key deer are, you should check them out. Theyre dog- sized deer living in the lower FL Keys.) Every year the FWC scientists caught and tagged all of the deer on the island. The FWC found that the mean body mass of adult deer was 30 kg and this mean fluctuated slightly but essentially did not change over the period of the study Key deer mate mostly in October and into the Winter and give birth between April and June. The FWC allowed one-time hunting of key deer during August 1997, and many hunters converged on the Keys and shot many deer. They drove around with them tied to the hoods of their mini- coopers. (FYl, for those of you that are horrified at the thought of tiny deer being killed, Im making the hunting stuff up.) The average size of the adult deer in September 1997 was 25 kg. These deer mated and reproduced beginning in October and all of the deer born in April and June of 1998 were tagged by the FWC. This cohort was followed and measured as adults in 2000, and the FWC found that their mean body mass was 27 kg. Which of the following statements applies to this scenario? O This is an example of stabilizing selection. Mean body size will probably decrease for the next several years. O The narrow sense heritability of body mass in these deer is approximately 0.6 O Broad sense heritability is O O None of these statements is true

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Beginning in 1986 and ending 1997 (with some work done afterwards) the Florida Fish and Wildlife Commission (FWC) conducted an intensive, long-term study on the population of key deer on Big Pine Key. (If you don't know what key deer are, you should check them out. They're dog- sized deer living in the lower FL Keys.) Every year the FWC scientists caught and tagged all of the deer on the island. The FWC found that the mean body mass of adult deer was 30 kg and this mean fluctuated slightly but essentially did not change over the period of the study Key deer mate mostly in October and into the Winter and give birth between April and June. The FWC allowed one-time hunting of key deer during August 1997, and many hunters converged on the Keys and shot many deer. They drove around with them tied to the hoods of their mini- coopers. (FYl, for those of you that are horrified at the thought of tiny deer being killed, I'm making the hunting stuff up.) The average size of the adult deer in September 1997 was 25 kg. These deer mated and reproduced beginning in October and all of the deer born in April and June of 1998 were tagged by the FWC. This cohort was followed and measured as adults in 2000, and the FWC found that their mean body mass was 27 kg. Which of the following statements applies to this scenario? O This is an example of stabilizing selection. Mean body size will probably decrease for the next several years. O The narrow sense heritability of body mass in these deer is approximately 0.6 O Broad sense heritability is O O None of these statements is true

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