Probability in genetics Transitional Reasoning Practice

Questions

1. 1.

   In a controlled plant-breeding study, two individuals with genotypes AaBbCc and AabbCc are crossed, where all three gene pairs assort independently and follow complete dominance. A researcher isolates offspring that display the dominant phenotype for at least two of the three traits. What is the probability that a randomly chosen offspring from this cross exhibits this required phenotypic combination?

   • A) $3/4$
   • B) $9/32$
   • C) $1/2$
   • D) $1/4$

Answers and step-by-step solutions appear after you finish the test.