8. Chromosomes may be isolated from metaphase cells by
A.hypertonic lysis
B.hypotonic lysis
C.either (a) or (b)
D.isotonic lysis

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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)

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10. Genetic change can occur only in
A.one way
B.two ways
C.hree ways
D.four ways

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11.  Which of these carries the thousands of genes needed to allow animal and plant cells to pass on inherited characteristics?
A.Chromosomes
B.Chromatogram
C.Chromatography
D.Chromium

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12. Animal pharming can be defined as
A.growing animals for farming
B.programming animals to produce novel products
C.generating transgenic animals for farming
D.none of the above

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13. When a fertilized egg cell develops into an embryo, the entropy of the living system
A.decreases
B.increases
C.remains constant
D.none of these

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14. For the transfer of whole individual chromosomes, they are isolated from the cells at
A.prophase
B.metaphase
C.telophase
D.anaphase

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