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Warning: count(): Parameter must be an array or an object that implements Countable in /home/jobin/public_html/qa-theme/Donut-theme-m/qa-donut-layer.php on line 1250

Warning: count(): Parameter must be an array or an object that implements Countable in /home/jobin/public_html/qa-theme/Donut-theme-m/qa-donut-layer.php on line 243

Warning: count(): Parameter must be an array or an object that implements Countable in /home/jobin/public_html/qa-theme/Donut-theme-m/qa-donut-layer.php on line 1250
what is the base pair rule
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Warning: count(): Parameter must be an array or an object that implements Countable in /home/jobin/public_html/qa-theme/Donut-theme-m/qa-donut-layer.php on line 1250

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Warning: count(): Parameter must be an array or an object that implements Countable in /home/jobin/public_html/qa-theme/Donut-theme-m/qa-donut-layer.php on line 1250

Warning: count(): Parameter must be an array or an object that implements Countable in /home/jobin/public_html/qa-theme/Donut-theme-m/qa-donut-layer.php on line 1250
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