Given that there are millions of species and millions of viruses, do you think a lot of species and viruses would contain the sequence "TGGGGYTTTACRGGTAACCT" in their DNA, or would this likely be unique to one species or one virus? Explain. (Think about the length of this sequence, and the likelihood of this exact sequence appearing “independently” in another virus.)
The given DNA sequence will be unique for a species of virus the reason being that every virus doesn't have DNA as the genetic material; some viruses also has RNA as its genetic material. An example of RNA virus is HIV and COVID19. There are also some viruses which contains either dsDNA or ssDNA as its genetic material. Therefore; it cannot be concluded that the given sequence will be present in other species of virus. The given sequence is being used as a forward primer (HKU-ORF1b-nsp14F) for COVID19 detection therefore; it is unique to COVID19 sequence.
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