Wiki World: embryo

Animal genetics in Australia is going strong. Exports of genetic material is growing particularly in Columbia, Chile and Mexico. The world generally is its oyster.

Semen is the primary export product. Chile imports bovine semen while sheep and goat semen is purchased by Columbia. Latin America is the main market. Australia has a way to go to reach the U.S. and Canada. However, it is quickly catching up.

The quality of Australian beef is high and breeds suit the climate of South America. Sheep and goats are highly regarded. Surprisingly, even canine semen is exported to SA. Embryos are also sent there.

◆ Genetics by Ty Buchanan ◆

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Natural pollination was used for years in plant research. it was thought to be the only way that a "pure" line could be preserved. Plants vary in characteristics depending on altitude and longitude. Crossing plants from different geographical region was the method put forward by Nobel Prize Laureate Dr Norman Borlaug who led the way in the Green Revolution.

This method only produced three generations of new varieties each year. A different system was needed. Embryo culture is the result. This is used in combination with changes in water, temperature, humidity, light and potting mix and is much more productive. Plant embryos are like stem cells. The neutral "baby" plants are nurtured and placed onto a media culture that determines what type of plant they will become.;

Pure-line plant genotypes are obtained in a shorter period. This is a major change in the creation of new crops that will feed the world's growing population. It will obviously take several decades to achieve the higher growth rates of the new food crops. However, scientists are optimistic.