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The field of evolutionary biology seeks to provide explanations for four conspicuous patterns that are manifest in nature.

The first three concern living species, whereas the fourth relates to fossils.

Heredity is the continuity of features from one generation to another which are present in fertilised egg or zygote.

The zygote develops into an organism of a particular type only. Genetics : It is the branch of biology which deals with heredity and variation.

While progress has been made in this area, the origin of life remains an interesting, but unanswered, question.

Trading activities may have contributed to the diffusion of Malayo-Polynesian languages among them.It is an incontrovertible fact that organisms have changed, or evolved, during the history of life on Earth.And biologists have identified and investigated mechanisms that can explain the major patterns of change.Yami and Ivatan islanders are Austronesian speakers from Orchid Island and the Batanes archipelago that are located between Taiwan and the Philippines.The paternal genealogies of the Yami tribe from 1962 monograph of Wei and Liu were compared with our dataset of non-recombining Y (NRY) chromosomes from the corresponding families.

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