A) Triploid
B) Haploid
C) Autotetraploid
D) Allotetraploid
Correct Answer: D
Solution :
Colchicine \[({{C}_{22}}{{H}_{25}}{{O}_{6}}N)\] is used to induce polyploidy. Raphanobrassica \[(4n=36)\] was produced by GD Karpechenko (1927) by crossing radish (Raphanus sativus, \[2n=18\]) and cabbage (Brassica oleracea, \[2n=18\]). It is the first allotetraploid.
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