Читать книгу Principles of Plant Genetics and Breeding - George Acquaah - Страница 380

Please write a brief essay on each of the following topics:

1 Why is it possible (at least theoretically) to raise a full plant, or for that matter any organism, from just one of its own cells?

2 All cells are not totipotent. Explain.

3 What it the importance of a callus phase in plant tissue culture research?

4 Discuss the rationale for the composition of a tissue culture medium.

5 Describe the in vitro production of hybrids.

6 Discuss practical applications of tissue culture in plant breeding.

7 Discuss the key breeding implications of clonal propagation.

8 Discuss the benefits of apomictic cultivars in crop production.

9 Apomixis can be a two‐edged sword in plant breeding. Explain.

10 Discuss the occurrence of apomixis in nature.