Name the types of synthesis A and B occurring in the replication fork of DNA as shown below.

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A - Discontinuous synthesis (synthesis of leading strand); B - Continuous synthesis (synthesis of lagging strand).

A - Continuous synthesis (synthesis of leading strand); B - Discontinuous synthesis (synthesis of lagging strand).

A- Continuous synthesis (synthesis of lagging strand); B - Discontinuous synthesis (synthesis of leading strand).

A - Discontinuous synthesis (synthesis of lagging strand); B - Continuous synthesis (synthesis of leading strand).

answer is A.

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Detailed Solution

Replication fork is a site on a DNA molecule at which both unwinding of the helices and synthesis of daughter molecules occurs. In the given figure of replication fork of DNA, the A and B synthesis are respectively called continuous (the template with polarity 3' - 5') and discontinuous (the template with polarity 5' - 3') synthesis. Continuous synthesis (leading strand),discontinuous synthesis(lagging strand).

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