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प्रश्न
In double crossing over, how many chiasmata are formed?
पर्याय
More than two
Two
One
Zero
MCQ
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उत्तर
Double crossing over is characterized by exactly two chiasmata on the same chromosome pair. Exchange of segments occurs at two separate points, which gives the chromosomes their ring-shaped appearance. A single chiasma would instead indicate single crossing over.
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