Mixtures of exons duplicated from genes with different functions can generate new genes with new functions, a process that is called exon shuffling.

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#Id: 8891

#Section 3: Genetics, Cellular and Molecular Biology

Kinetochores assemble on regions of chromosomal DNA marked by a centromere-specific H3 histone variant called CENP-A.

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#Id: 8892

#Section 3: Genetics, Cellular and Molecular Biology

Amphitelic attachment, 

sister kinetochores attach to microtubules emanating from opposite spindle poles, they are stably attached

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#Id: 8893

#Section 3: Genetics, Cellular and Molecular Biology

Merotelic attachment 

A kinetochore can attach to microtubules emanating from both poles at the same time

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#Id: 8894

#Section 3: Genetics, Cellular and Molecular Biology

Syntelic attachment 

Both kinetochores of a sister chromatid pair can attach to microtubules from the same pole

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#Id: 8895

#Section 3: Genetics, Cellular and Molecular Biology

Monotelic attachment 

only one kinetochore can attach to microtubules

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#Id: 8897

#Section 3: Genetics, Cellular and Molecular Biology

Sensing mechanism used by cells to detect incorrect chromosome attachments is based on tension.