6. Transgenic goats have been used to produce which of the following protein that is used for dissolving blood clots?

A. Amyloid precursor protein
B. α₁-anti trypsin (AAT)
C. Casein
D. A variant of human tissue-type plasminogen activator

7. Transfection refers to which of the following?

A. Synthesis of mRNA from DNA template
B. Synthesis of protein-based on mRNA sequence
C. Introduction of foreign gene into a cell
D. The process by which a cell becomes malignant

8. Chromosomes may be isolated from metaphase cells by

A. hypertonic lysis
B. hypotonic lysis
C. either (a) or (b)
D. isotonic lysis

9. Superovulation is primarily the result of

A. decreased atresia in medium and large follicles (>1.7 mm)
B. increased atresia in medium and large follicles (>1.7 mm)
C. increased atresia in the large follicles (<1.7 mm)
D. decreased atresia in small follicles (<1.7 mm)

10. Genetic change can occur only in

A. one way
B. two ways
C. three ways
D. four ways