plant and animal breeding

Right from the early days of human civilization man has been breeding selected species that are useful to him. This has produced different varieties of plants and animals. The Result of Selective Breeding..

This involves breeding among unrelated animals. To increase the milk yield, Indian cows are crossbred with European breeds like Jersey, Holstein, Red Dane, Brown Swiss et..

Plant Breeding - Crop production can be improved by breeding new varieties of crops having higher yield. The main aim of plant breeding is to produce new crops superior to the existing ones. By this method new varieties of crops, having higher yield..

Crop production can be improved by breeding new varieties of crops having higher yield. The main aim of plant breeding is to produce new crops superior to the existing ones. By this method new varieties of crops, having higher yield, resistant to pests and disease can ..

Crop production can be improved by breeding new varieties of crops having higher yield. The main aim of plant breeding is to produce new crops superior to the existing one..

The following are some exotic breeds of cows that have been successfully crossbred in India. Jersey hails from Island of Jersey, USA Holstein Friesian hails from Holland Brown Swiss hails from Switzerland Jersey Holstein friesian..

. Polyploidy may be caused by fertilization of an egg by more than one sperm failure of meiosis during gamete formation. Polyploidy can artificially be introduced by a chemical called colchicine or by crossing diploids with tetraploids. Although triploids exhibit sterility, polyploidy is useful in ..

Human Dependence on Plants and Animals for Food - Of all the living organisms, only plants are autotrophs i.e., they are capable of synthesizing their own food. Animals are heterotrophs i.e. they are incapable of synthesizing their own food. They depend on ..

Need for Preservation - Plants and animals occupy diverse habitats. It becomes practically impossible for a biologist to study each and every plant or animal species in its natural habitat. Hence, over the years attempts have been made to preserve the pl..

Differences Between Plants and Animals - Plants Animals Cellulose cell wall surrounds the cell membrane Cell wall is absent in animal cells Plastids are present especially a green pigment called chlorophyll Chlorophyll is absent in animal ..