Three classes of classical cadherins: 

E-cadherin -present on many types of epithelial cells

N-cadherin - present on nerve, muscle and lens cells

P-cadherin - present on cells in the placenta & epidermis

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#Unit 8. Inheritance Biology

Transduction takes place when bacterial viruses (bacteriophages) carry DNA from one bacterium to another.

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#Unit 8. Inheritance Biology

Cotransduction Process in which two or more genes are transferred together from one bacterial cell to another by a virus.

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#Unit 8. Inheritance Biology

Generalized transduction Transduction in which any gene can be transferred from one bacterial cell to another by a virus.

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#Unit 8. Inheritance Biology

Specialized transduction Transduction in which genes near special sites on the bacterial chromosome are transferred from one bacterium to another.

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#Unit 8. Inheritance Biology

Prophage - Phage genome that is integrated into a bacterial chromosome.

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#Unit 8. Inheritance Biology

Temperate phage Bacteriophage that can undergo the lysogenic cycle, in which the phage DNA integrates into the bacterial chromosome and remains in an inactive state.