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Biology, 09.12.2019 20:31 AdiGirlBrainly
Suppose polymerase chain reaction (pcr) is used to amplify a single dna marker on human chromosome 21. further suppose that a couple who have a child with down syndrome (trisomy 21) is examined for this marker. the mother has marker alleles of 310 and 380 bp. her mate has marker alleles of 290 and 340 bp.
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Suppose polymerase chain reaction (pcr) is used to amplify a single dna marker on human chromosome 2...
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