Consider the Following Three-Point (Trihybrid) Testcross: Calculate the Number

question 59

Multiple Choice

Consider the following three-point (trihybrid) testcross: Calculate the number of double crossovers you would expect to observe if 1000 progeny result from this testcross assuming a coefficient of coincidence of 0.25.

• A) about 14
• B) about 26
• C) about 10
• D) about 4
• E) none because of crossover interference

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