Identify the event taking place in the following figure.

Pairing of sister chromatids

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Pairing of tetrads

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Duplication of tetrads

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Crossing over

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Solution

The correct option is D
Crossing over

Chromosomal crossover is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes during sexual reproduction.

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Q. In tetrad, the number of non-cross over chromatids is normally

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Pairing of homologous chromosomes into tetrads occurs during

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.

Q. Statement I: Synapsis is the process of pairing of homologous chromosomes.
Statement II: Crossing over occurs between sister chromatids of homologous chromosomes.
Which of the above statements are correct?

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Identify the event taking place in the following figure.

The correct option is D Crossing over Chromosomal crossover is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes during sexual reproduction. ​​

The correct option is D
Crossing over

Chromosomal crossover is the exchange of genetic material between homologous chromosomes that results in recombinant chromosomes during sexual reproduction.