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WORKSHOP BOOK Fluorescent in Situ Hybridisation - FISH - on Human Sperm

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2. Co-Denaturati<strong>on</strong><br />

(target DNA & probe)<br />

Factors affect<str<strong>on</strong>g>in</str<strong>on</strong>g>g:<br />

1) Temperature<br />

2) Time<br />

*Formamide & pH (stable<br />

c<strong>on</strong>diti<strong>on</strong>s at co-denaturati<strong>on</strong>)<br />

25<br />

3. <str<strong>on</strong>g>Hybridisati<strong>on</strong></str<strong>on</strong>g><br />

Strigency: (tightly b<strong>on</strong>d): the degree to which<br />

the probe DNA will b<str<strong>on</strong>g>in</str<strong>on</strong>g>d and rema<str<strong>on</strong>g>in</str<strong>on</strong>g> bound<br />

to the target DNA (after hybridizati<strong>on</strong> and at<br />

Post-Hybridizati<strong>on</strong> washes)<br />

26

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