SPOILER: Orphan Black follows outsider, orphan and street-wise chameleon Sarah. After witnessing a woman's suicide, Sarah assumes the stranger's identity - who happens to look just like her. Expecting to solve all her problems by cleaning out the dead woman's savings, Sarah is instead thrust headlong into a kaleidoscopic mystery as she realizes the dizzying truth - she and the dead woman are clones. As Sarah searches for answers, she discovers the chilling fact that there are more people like her out there - genetically identical individuals who were planted in unsuspecting birth parents and nurtured in completely different circumstances. With no idea who created the clones, she'll need to discover the reason in a hurry as an assassin is killing them one by one. Written by
A clone is never alone. (season 1)
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Did You Know?
, who plays Delphine, was one of the actresses in the running for the lead role. She didn't get the part but the part of Delphine was written especially for her according to series creator Graeme Manson
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In season 1, Cosima confidently refers to the clone experiment being "double blind." However, this is a factual mistake. A double blind experiment is designed such that neither the participants nor the investigators know which participants belong to the test group(s) versus which participants belong to the control group. If this were a double blind experiment, Cosima would have no way of knowing unless she had designed the experiment herself. She would also know that a double blind design requires a control group, whose existence she would likely seek.
More likely is that the experiment is single blind, where the participants do not know the group(s) to which they belong, but the investigators do know. However, once again, Cosima would have no way of knowing this information about the study design unless she were herself an investigator. As a graduate student scientist, realistically, she would at least know the difference between a double blind and single blind design. See more
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