factors responsible for speciation : - geographical isolation od a population caused by Various types of barriers, like mountains ranges, river, sea, etc. This geographical isolation leads to reproductive isolation due to which there is no flow of genes between separated group of population.
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The factors for speciation are : genetic drift , geographical isolation , natural selection and gene flow.
Micropropagation is one type of clonal propagation. ... The keydifference between micropropagation and somatic cell hybridization is that micropropagation is a propagation technique of plants while somatic cell hybridization is a genome manipulation technique through somatic cell protoplast fusion.
a) genetic drift
b) natural selection
c) reproductive isolation.
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nature select the beetles(green) which have more survival advantage
survival of beetles due to accident even though they have no survival advantage
migration of beetles from one sub population to another
when some barriers like rivers came to existence between 2 sub population
Te four factor are:
In the above mention factors, geographical barriers can not be the factor major in speciation. As the geographical barrier can not stop pollen to migrate among different areas and get in the formation of the already existing specie.