I do not think these distinctions have much meaning, as soon as you dig into them. Seems more confusing than helpful.https://twitter.com/genomicsedu/status/884368110794551296 …
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"Η Γονιδιωματική είναι το μέρος της γενετικής" literally says genomics is a part of genetics. 
sorry, it's all Greek to me... :)
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