21. The model of DNA below is ready to be copied. Compared to the

original double helix, evaluate the copies made during three attempts

of DNA replication List any errors with the replication if they occurred:

Original

А T

T A

C G

С G

G с

A

С

List problems if any:

T

A

G

Replication #1

A T

T A

С

G

С G AND

G С

T А

G С

A

T

С

A

G

T

G

С

С

List problems if any:

Replication #2

A T

T А

С G

С G

G С

T А

G C С

AND

A

T

С

C

G

T

G

T

A

G

G

С

А

С