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在美国新泽西州最南部的多伦皮克市郊的蔬菜农场里,生长着整齐的、叶色浓绿的番茄,它们成熟了的硕大果实,与附近很多农场的不同。它有较多的果汁,较厚的果肉,坚韧的果皮,细嫩的外表,高产、蔓生的枝蔓,且对某些蝶类幼虫有一定抗性。这种番茄就是利用植物体细胞无性变异遗传饰变过程中发育正常的植株产生的理想饰变系。体细胞无性变异是人类企图有意识地修正某一性状而产生的一种科学的、能在农业遗传学中广泛应用的技术。这种方法比常规的杂交育种法快得多,比基因转接(genesplicing)容易得多,实际上它介入和改变了去氧核糖核酸酶或去氧核糖核酸——所有有生命细胞的构造基础蓝图,因
In the vegetable farms on the outskirts of Toronto, in the southernmost state of New Jersey, growing neat, leafy green tomatoes are grown, with immensely ripe fruits, unlike many nearby farms. It has more juice, thicker flesh, tough peel, delicate appearance, high yield, sprawling vine, and some butterfly larvae have a certain resistance. This tomato is the use of plant somatic cell asexual genetic modification during the development of normal plants produce the ideal decorative line. Asexual variation of somatic cells is a kind of science that can be widely used in agricultural genetics resulting from the attempt by human beings to consciously correct a certain trait. This method is much faster than conventional crossbred methods and is much easier than gene splicing, in fact it intervenes and alters the basis of the construction of DNA or DNA - all living cells Blueprint, due