Deck 4- Steps in DNA Sequencing

Question 1

First, there is a DNA strand with an unknown _______ _______.

Answer 1

Base sequence

Question 2

Second, ______ ________ is added to copy the DNA of the strand.

Answer 2

DNA polymerase

Question 3

Third, ________ are added, some of which are chemically dyed.

Answer 3

n-bases

Question 4

Fourth, as the DNY polymerase copies the unknown strand it adds _______. If the added base is a dyed base, the polymerase stops copying the strand and release the ________.

Answer 4

Bases, copy

Question 5

Fifth, the scientists can determine the base sequence by running the DNA colored copies through _______ _______.

Answer 5

Gel electrophoresis