geneetiliste põhjuste väljaselgitamisel häid tulemusi? Haiguse tekkepõhjus on heterogeenne Haigus ise heterogeenne Uuritud grupid liiga väikesed Kontrollide küsimus Valed eeldused geenide ja polümorfismide valikul Nathalie Brison 1. Indicate the wrong statement: molecular karyotyping (array CGH) can detect: a) balanced translocations b) cytogenetically visible deletions and duplications c) submicroscopic deletions and duplications d) both microscopic and submicroscopic deletions and duplications e) aneuploidy 2. Define Confined Placental Mosaicism. During which prenatal screening or diagnostic procedures can it occur and what are the clinical consequences? CMP tähendab kromosomaalse ülesehituse erinevust platsentarakkude ja looterakkude vahel. Platsentast võib leida trisoomseid rakke. Võidakse avastada koorionibiopsiat tehes, mille käigus punkteeritakse
population. The most common form of coverage error is undercoverage, that is, not all units of the target population are included in the sampling frame. A clear example of undercoverage is persons with an unlisted phone number when the sampling frame is the telephone book. Another form of coverage error is overcoverage; here a unit from the target population appears more than once in the sampling frame. Duplications like this can occur when a sampling frame results from the combination of several lists. For example, on one list a woman is listed under her maiden name, and on a second list under her married name. If these lists are combined, the same person is listed under two different entries. Another example is surveys that use mobile (cell) telephones; these overcover persons who own more than one phone. A third type of coverage error is caused by erroneous inclusions in the frame
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