Question

Respond to the following in a minimum of 350 words:

Do you consider reproductive isolation (and thus speciation) to be beneficial? Why or why not?

Answer 1

Isolation of the individuals reproductively is one of the driving force to get new species from the existing, Reproduction, mainly in the sexual mode is responsible for the origin of a new combination. During gamete formation or gametogenesis generally crossing over takes place during the Pachytene stage of Meiosis - 1. This crossing over takes place by the exchange of chromosomal segments between the non-sister chromatids of the homologous chromosomes, as a result of which gametes with a new combination will be produced. If the organisms are isolated as a group and restricted for the inbreeding among a selected population, then automatically the gene pool of the population will be conserved and the due to repeated in breeding theres is a chance of production of new species,