Thousands of years of selective breeding have produced extensive genetic changes in the plants and animals we eat, not all of them good.
数千年的选择性培育已经造成了食用植物和动物广泛的基因改变，并非所有的改变都是好的。
They will now look into breeding new plants and feed with high sources of fat and sugar, as well as dietary additives such as garlic extract.
除研制大蒜提取物等饲料添加物外，现在他们正准备培育新品种植物以及高脂、高糖分饲料。
The team made the discovery while hunting for genes that boost heterosis, the phenomenon by which cross-breeding two varieties of plants produces more vigorous hybrid offspring with higher yields.
研究团队在寻找促进杂交优势的基因的时候发现，将两种植物杂交出的更具优势的子代，其产量更高。
Opponents say such crops may cause environmental damage by breeding with conventional plants. Opponents also question the safety of biotech foods.
反对者说，这种作物通过与传统的植物进行育种，可能危害环境。反对者还质疑这种生物技术食品的安全性。
Businesspeople, scientists, and farmers hope that transgenic techniques will help cultivate more cost-effective plants and animals that are not available with the use of current breeding technology.
商界、科学家和农民都希望转基因的技术能够培育出更多具有价格优势，而且是现今的培育技术无法培育的动植物。
The mechanisms of the relationship and its significance in breeding of the plants were discussed.
讨论了这种现象的原因及其在引种驯化工作中的意义。
The breeding of animals or growing of plants, especially to produce improved stock.
对动物的饲养或植物的种植，尤指为了产生改良品种。
In this major, you'll learn the science behind the breeding and cultivating of agricultural plants, such as corn, rice, and soybeans.
这个专业研究农业植物育种和耕种背后的科学，如玉米，水稻和大豆等。
The characteristic feature of the period of barbarism is the domestication and breeding of animals and the cultivation of plants.
野蛮时代的特有的标志，是动物的驯养、繁殖和植物的种植。
This paper summarized the main research progress of biotechnology on forage plants breeding in the past 20 years.
综述了近20年来生物技术在牧草育种中的主要研究进展。
Ployploidy is widely acknowledged as a major channel of evolution and breeding in plants, and ploidy breeding is an effective means to create large and seedless fruit germplasm.
多倍化是植物进化和育种的重要途径，倍性育种是创制大果无核果树种质的有效手段。
This study should be academic value and significant in classification, origin and evolution, further protection and utilization of wild plants, and genetics and breeding engineering.
这对大麦分类和起源演化研究、野生植物资源的保护和利用、遗传和育种工程等都具有重要的意义和学术价值。
This review introduced the SNP definition, the detection methods of SNP in plants and the application of SNP marker in crop genetic and breeding.
本文主要介绍SNP的定义、几种植物学中常用的检测SNP方法及SNP标记在作物遗传育种中的应用。
Enhance the research on economic plants introduction and acclimatization, and construct breeding base and spreading system of excellent varieties of economic plants;
加强经济植物的引种驯化、品种选育工作，建立经济植物良种苗木繁育基地和推广体系；
Advances of research in molecular breeding of ornamental plants in the world in recent years were reviewed.
本文综述了近年来国内外花卉分子育种的研究进展和成果。
Monosomics and disomics additional lines of plants are the important materials in gene location, physical mapping and chromosome engineering breeding.
植物单体或双体异附加系是重要的遗传材料，在基因定位、物理图谱构建及染色体工程育种上具有十分重要的作用。
Heterosis, a widely existing biological phenomenon, has been successfully exploited on breeding of many plants and animals.
杂种优势是生物界普遍存在的十分重要的生物学现象，并在多种动植物中得到成功地利用。
One of its practices is to fiddle with natural kinds–breeding intermediate species of plants and animals. Would Bacon's contemporaries have regarded this as ethical?
所罗门教堂的活动之一是跟自然生物玩耍，例如照顾花草、喂养动物，与培根同时代的人视其为伦常之事吗？
This course (Molecular Breeding: Principles and Techniques) provides an integrative overview of issues from basic theories to their applications to the improvement of plants and animals.
本课程(分子育种原理和技术)涉及常见的动植物分子育种相关基础理论问题及实际应用技术。
Its primary business operations and services include the breeding, propagation, cultivation and management of tropical plants, the engineering survey, the design and engineering of garden landscape.
主要经营的业务有橡胶作物、热带作物、热带果树、热带园艺、园林植物等种苗培育、栽培与管理，工程测量，园林景观设计与工程。
Although the program is very simple, the experimental area of 20 MU, dozens of breeding shed, and tens of thousands of plants are facing operation over a considerable workload.
尽管程序很简单，20多亩实验区，几十个育种大棚，成千上万株植物都要一株株地操作过来，工作量相当大。
The photosynthetic bacteria are largely applied for seawater aquaculture, fresh water aquaculture, poultry breeding and resistance against diseases and yield increase of plants and crops.
光合细菌主要用于海水养殖，淡水养殖，以及家禽饲养、农作物抗病增产等。
The problems of drought, salinization and soil erosion are very serious in China , so breeding to fight the drought and salt tolerance of New Varieties of Plants is of great strategic significance.
我国干旱、盐碱化和水土流失的问题十分严重，因此选育获得抗旱、耐盐植物新品种具有重大的战略意义。
The problems of drought, salinization and soil erosion are very serious in China , so breeding to fight the drought and salt tolerance of New Varieties of Plants is of great strategic significance.
我国干旱、盐碱化和水土流失的问题十分严重，因此选育获得抗旱、耐盐植物新品种具有重大的战略意义。
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