The points at which crossing over has taken place between homologous chromosomes are called as

Protein axis

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Synaptonemal complexes

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Chiasmata

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Centromeres

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Solution

The correct option is B Chiasmata
During diplotene stage, chromatids become clear and the bivalents are now called tetrads. At places homologous chromosomes remain attached to each other. The points of attachment between non-sister chromatids of two homologous chromosomes are called chiasmata. They are the sites of previous crossing over where synaptonemal complex persists.

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Similar questions

Q. State the following statements are true or false.
The points at which crossing over has taken place between homologous chromosomes are called synaptonemal complexes.

Q. .......... is a point at which crossing over has taken place between homologous chromosomes.

What is the point of crossing over between two homologous chromosomes called?

Name the stage of the cell cycle at which one of the following events occur:

(i) Chromosomes are moved to the spindle equator
(ii) Centromere splits and chromatids separate
(iii) Pairing between homologous chromosomes takes place
(iv) Crossing over between homologous chromosomes takes place

Q. Name the stage of cell cycle at which one of the following events occur.
(i) Chromosomes are moved to spindle equator.
(ii) Centromere splits and chromatids separate.
(iii) Pairing between homologous chromosomes takes place.
(iv) Crossing over between homologous chromosomes takes place.

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