Part A Arrange the following steps in the Holliday model of homologous recombina

Question

Part A

Arrange the following steps in the Holliday model of homologous recombination, which leads to the synthesis of nonrecombinant heteroduplex DNA.

1) Holliday junction formation followed by ligation
2) duplex unwinding and rewinding
3) After nicking, strand inversion occurs.
4) breaking of cross strands

Arrange the following steps in the Holliday model of homologous recombination, which leads to the synthesis of nonrecombinant heteroduplex DNA.

1) Holliday junction formation followed by ligation
2) duplex unwinding and rewinding
3) After nicking, strand inversion occurs.
4) breaking of cross strands

Explanation / Answer

The correct steps are:

3) After nicking, strand inversion occurs.

1) Holliday junction formation followed by ligation

2) duplex unwinding and rewinding

4) breaking of cross strands

Correct answer is : 3,1,2,4

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