The Map of a Chromosome Interval Is Q-10 M

question 27

Multiple Choice

The map of a chromosome interval is Q-10 m.u.-R-40 m.u.-S.Which interval would likely show the higher ratio of double to single chiasmata?

• A) Q-R
• B) R-S
• C) The ratios would be the same in the two intervals.
• D) Two chiasmata never occur in the same interval.

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