EEMB2_Final_Salmon

# The estimated heritability of the 6 w is a 03 b 025 c

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31. The estimated heritability of the 6 w is: A. 0.3 B. 0.25 C. 0.5 D. 0.80 E. None of these answers is correct EEMB2 Final Salmon Version: 0 Page: 9

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32. If parents with the highest 5% of 6 w values had an average 6 w that was 50, then their children would be expected to have a 6 w value averaging: 33. If a mother had a 6 w of 50 and the father had a 6 w of 70, then the expected average 6 w for their children would be: 34. If a plot were made of the average 6 w of parents (X) and average 6 w of their adopted offspring (Y) from 1,000 families, then the expected slope of the best-fitting line to these data (Y vs. X) would be : 35. Suppose that a new study showed that adopted children of foster parents with high 6 w values have average 6 w values that were higher than 10. This information would indicate that our estimate for the heritability of the 6 w (calculated and used in the above problems) would be: A. too low B. unaffected C. too high D. zero E. None of these answers is correct EEMB2 Final Salmon Version: 0 Page: 10
Use the following information for the next 5 questions (until you see a solid line): An extensive black lava flow is located in an undeveloped region of Nevada. Lizards on both sides of the lava flow are brown. Lizards living on the sparsely vegetated lava flow are black. In the middle of the lava flow is a large lake surrounded by a narrow band of lush green vegetation. Lizards living in this narrow band of vegetation around the lake are green. All three lizard color morphs are well camouflaged from predation by local predators when the soil or the vegetation matches their color, and lizards rapidly return to soil or vegetation matching their color when moved to nearby areas with non-matching color. A molecular study found that the the color morphs are part of a single clade with a polytomy between the green and black taxa. When raised in zoo cages, black and brown and black and green color morphs interbreed and produce fertile offspring (of intermediate color between that of the parents). In a zoo setting, green and brown morphs do not interbreed and artificial insemination leads to sterile offspring. Despite extensive field studies on all three lizard populations, no hybrids have been observed.

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