Allopatric speciation occurs when:
Genetically related populations inhabit widely separated geographical area
Genetically unrelated populations inhabit widely separated geographical area
Genetically related populations inhabit the same geographical area
Genetically unrelated populations inhabit the same geographical area
Geographical or alloparic speciation -
It is another kind of multiplicative speciation due to physical barrier that divides population, ranges do not touch or overlap, no gene flow
- wherein
e.g. Darwin's finches of galapagos islands
Correct option is 1