Question

If DNA is digested by endonucleases
in four sites giving rise to fragments of
which two are equal in length, how
many bands will be seen after electrophoresis

Answer 1

Answer:

If DNA is digested by endonucleases in four sites giving rise to fragments of which two are equal in length how many bands would be seen after electrophoresis? Explanation: Digestion at four sites gives rise to five fragments. Two fragments are of same size thus they will form a single band

Explanation:

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Answer 2

TRICK

Draw a circle and put 4 strikes n it representing endonuclease activity

You will get 4 pieces of equal length