Improve your general knowledge by answering this simple riddle question.
A. downward movement of water through soil
B. a process of tilling the land
C. decayed vegetable matter
D. cross-fertilization between two varieties
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Answer: Option D
In biology, a hybrid, or crossbreed, is the result of combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction. Hybrids are not always intermediates between their parents (such as in blending inheritance), but can show hybrid vigour, often growing larger or taller than either parent. The concept of a hybrid is interpreted differently in animal and plant breeding, where there is interest in the individual parentage. In genetics, attention is focused on the numbers of chromosomes. In taxonomy, a key question is how closely related the parent species are.
