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Imagine you do a test cross between a purple-flowered pea plant having serrated leaves (a dominant trait) and a white-flowered pea plant having smooth edges. If the purple-flowered plant is heterozygous for both traits, the expected ratio in the offspring is 1 purple-serrated: 1 purple-smooth:1 white-serrated:1 white-smooth. Instead, you see […]

A young couple went to see a genetic counselor because each had a sibling affected with cystic fibrosis. (Cystic fibrosis is a recessive disease, and neither member of the couple nor any of their four parents is affected.) a. What is the probability that the female of this couple is […]

Ventilation-Perfusion Assignment Questions How do changes in ventilation rate, cardiac output, and dead space ventilation affect alveolar PO2 and pulmonary venous PO2? Do these three factors have an additive effect towards increasing or decreasing total oxygen delivery to tissues. Explain. Matlab files Vsensim and fdeadsens can be used as a […]

A waiter holds two plates of food in one hand. His forearm has a mass of 2.2 kg and the center of mass of his forearm is located 13 cm from his elbow joint. The center mass of the two plates is located 37cm from his elbow joint and the […]