Some Restriction Enzymes Cleave DNA in Such a Manner as to Produce

question 32

Essay

Some restriction enzymes cleave DNA in such a manner as to produce blunt ends.
Ligation of blunt end fragments is most often enhanced by the use of the enzyme
terminal deoxynucleotidyl transferase. Speculate on the function of deoxynucleotidyl transferase in terms of using blunt end fragments in cloning.

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Definitions:

Flynn Effect

The observed substantial and long-sustained increase in both fluid and crystallized intelligence test scores measured in many parts of the world over the 20th century.

Identical Twins

Twins that result from one fertilized egg splitting and forming two embryos, sharing 100% of their genetic material.

Fraternal Twins

Siblings born at the same time but developed from separate eggs fertilized by different sperm, sharing 50% of their DNA.

Single Birth Siblings

Siblings who are not twins or multiples, born from separate pregnancies.