Through artificial selection, in the ecological and morphological characteristics of the organisms have a common genetic
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No. 2
Varieties
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No. 3
Variety purity
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No. 4
Increase the variety
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Refers to the range of products
Refers to the range of products. Such as: variety of colors; many varieties.
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Usually through artificial selection, the ecological and morphological characteristics of the organisms have a common genetic
Usually through artificial selection, ecology and morphology in the common genetic characteristics of organisms. Xie Juezai "Return of the Native families to send military officers," poem: "visit to find new varieties of fruits and vegetables, but also buy a pair of Leghorn." Qin Mu "Yihaishibei flowers life and the art style": "People have bred thousands varieties of chrysanthemum. "