A) haploid
B) diploid
C) polyploid
D) all of these.
Correct Answer: D
Solution :
: When anthers of some plants are cultured on a suitable medium to produce haploid (n) plants is called anther culture. But, like plant tissue cultures of diploid plants, cultures of haploid origin are difficult to maintain with genetic stability. Somaclonal variation occurs during long-term culture as well as, cultures tend to become diploid. There is continuous increase in the proportion of diploid cells in the haploid culture. Therefore, haploid cultures are heterogenous population of haploid, diploid and polyploid cells and there is a continuous decrease in percentage of haploid cells in this mixture with increase in culture period.
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