The water in the hand pump is hot in winter because water comes out from inside and absorbs heat from the surroundings. As the water travels through pipes underground, it absorbs heat from the relatively warmer Earth. Consequently, when pumped ...
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Interspecific hybridisation can combine desirable traits from two different species within the same genus, potentially resulting in crops with enhanced characteristics.
The main goal is to find crop varieties that can give a good yield and possess other useful characteristics such as disease resistance and improved product quality.
Genetically modified crops can be created by introducing a gene that provides the desired characteristic.
The three types of hybridisation are intervarietal (between different varieties), interspecific (between two different species of the same genus), and intergeneric (between different genera).