A Geneticist Developed a New Type of Pest-Resistant Walnuts

question 57

Multiple Choice

A geneticist developed a new type of pest-resistant walnuts. These walnuts produce 75% of pest-resistant walnut trees and 25% of susceptible (not resistant) trees when two resistant trees are crossed. If a grower crosses two such trees, the outcome is random and a probability model is given by:

• A)resistant and susceptible.
• B)probabilities p = 0.70 and p = 0.3.
• C)P(resistant)= 0.75 and P(susceptible)= 0.25.
• D)P(resistant)= 0.7.

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