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What shape is the chiasmata?

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in Biology – Class 11 by (272k points)
What shape is the chiasmata?

(a) S-shaped

(b) Y-shaped

(c) X-shaped

(d) L-shaped

I got this question in unit test.

This intriguing question originated from Cell Cycle and Division in chapter Cell Cycle and Cell Division of Biology – Class 11

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The correct answer is (c) X-shaped

To elaborate: The chiasmata is an X-shaped structure formed by the bivalents or the tetrads during prophase I of meiosis I. It occurs due to the tendency of the homologous chromosomes of a tetrad to move away from each other.

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