عدد 114 مقال تحت قسم الهندسة الوراثية
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How do plant breeders cross plants?
In a way, conventional plant breeding can be seen as a collection of techniques aimed at bringing together good parents to generate a better crop in the progeny.
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Why do breeders backcross elite events into elite varieties?
Some crop varieties may be much more ameanable than other to genetic transformation. New technologies have greatly reduced the time required for a backrossing programme. A typical backcrossing project
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Genetic modification for plant breeding
A typical transformation experiment will regenerate a few hundreds to a few thousands of primary transformation events. However: Since the insertion of the transgene occurs at random in
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Conventional plant breeding overview
During conventional plant breeding genes are mixed and newly assorted. This results in non-desired traits being inherited together with the trait of interest.
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How do you develop a new crop variety by genetic modification?
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How do plants reproduce sexually?
Each kernel in a cob of maize is the seed of a new individual, and although they all share a mother, they can each potentially
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How are simple traits inherited?
When two parents homozygous for different alleles are crossed, the progeny (also called F1, for filial generation 1) is an heterozygote. F1 generations of homozygous parents are
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Rice farmer(s) in Rwanda. Hybridisation is a central process in plant breeding. There are two main classes of hybrids: interspecific hybrids and intraspecific or F1 hybrids
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Where do our crops come from? III. Banana
Bananas are hugely important as food and cash crop for smallholder farmers in Africa: 70 million people in 15 countries in Sub-Saharan Africa depend on bananas and plantains
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Where do our crops come from? II. Tomato
Tomato is one of the most important crops world-wide. It belongs to the Solanaceae family, which includes >3000 species with origins in both Asia (aubergine in China and
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Where do our crops come from? I. Maize
Male Plant Maize is one of the most important sources of food in the African continent: in 2010 production in Africa was worth over $US 6 billion (FAO).
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