Animal Breeding and Transgenic Animal – Section 1

26. Enucleation of the cells can be achieved by treating the cells with

A. polyethylene glycol
B. cytochalasin B
C. both (a) and (b)
D. alcohol

Correct Answer: B. cytochalasin B

27. When the cells are enucleated and centrifuged, nuclei

A. detach from cell and settle at the bottom
B. detach from cell and remain in the supernatant
C. nuclei remain attached to the cell
D. none of the above

Correct Answer: A. detach from cell and settle at the bottom

28. Superovulation is an

A. increased ovulatory response by external hormonal therapy
B. decreased ovulatory response by external hormonal therapy
C. decreased ovulatory response by internal hormonal therapy
D. increased ovulatory response by internal hormonal therapy

Correct Answer: A. increased ovulatory response by external hormonal therapy

29. Which of the following best describes artificial insemination?

A. Transplanting an embryo into the uterus
B. Fertilization of an egg in a test tube
C. Selectively breeding healthy animals
D. Taking the sperm and placing it directly

Correct Answer: D. Taking the sperm and placing it directly

30. Which part of a cell carries the information that is passed from one generation to the next?

A. Cell
B. Nucleus
C. Cytoplasm
D. Chloroplast

Correct Answer: B. Nucleus

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