Biology, 13.08.2021 04:40 drxppymami
You can determine whether the fish you bought at the supermarket is really the species that they say it is by characterizing the DNA barcode sequence of the fish. The DNA barcode for animals is a 648-base pair portion of the mitochondrial cytochrome oxidase Igene. A database exists that contains the sequences of this mtDNA region that are unique for hundreds of thousands of animal species. A single pair of PCR primers that hybridize to the region flanking the barcode sequence can be used to barcode any species of fish. Check all the statements that are reasons why this particular region of mtDNA is used for DNA barcoding
Check All That Apply
A. The cytochrome oxidose Igene is present in the mtDNA of all animal species, including all fish species.
B. The sequences corresponding to the PCR primers are not present in the human nuclear genome
C. The cytochrome oxidase /genes of different species vary in base palir sequence, but there is Iittle sequence varistion within a species.
D. The barcode sequence is short enough to be omplified easily by PCR and sequenced.
E. The cytochrome oxidase Igene is not present in the human nuclear genome.
F. The barcode sequence is flanked by sequences that do not accumulate mutstions often.
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You can determine whether the fish you bought at the supermarket is really the species that they say...
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