The key event in controlling replication is the behavior of the ORC complex at the origin.

Cdc6 protein is an unstable protein that is synthesized only in G1.

Cdc6 binds to ORC and allows MCM proteins.

Cdc6 binds to ORC and allows MCM proteins to bind.

Cdt1 facilitates MCM loading on origins

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#Unit 8. Inheritance Biology

Inversions

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Chromosome inversion, in which a chromosome segment is inverted—turned 180 degrees.

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For an inversion to take place, the chromosome must break in two places.

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#Unit 8. Inheritance Biology

Inversions that do not include the centromere, are termed paracentric inversions 

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 Pericentric inversion Chromosome inversion that includes the centromere in the inverted region.

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#Unit 8. Inheritance Biology