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biology
october 2019
08

Biology Questions and Answers October 08, 2019

Expert-verified solutions to help you succeed

In chickens, high body weight is a multifactorial trait. Heritability accounts for several genes that contribute a small effect additively, as well as a few genes that exert a great effect. Is this an example of narrow or broad heritability?

PET scans often show an artificially high level of radioactivity in the lungs. Suggest one mechanism by which this might occur.

You are building a go-cart for the National Go-cart Championship Race. Knowing that heavier go-carts travel faster but consume more gas, you need to figure out the optimal go-cart weight. This graph shows the relationship between the weights of last year's go-carts and the amount of gas they used. Use the graph to answer questions. a. What overall

Gas Consumption Depending on Car Weight 400 350 300 250 200 150 100 50 80 100 120 140 160 Car weight (kg) 60 40 (u) posn se

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