(b) According to Chargaff's rules of
(i) The amount of adenine is always
equal to the amount of thymine and the amount of guanine is always equal to the
amount of cytosine.
(ii) Adenine is joined to
thymine with two hydrogen bonds and guanine is joined to cytosine by three
(iii) The ratio of adenine to
thymine and that of guanine to cytosine is always equal to one,
In the given organism, the DNA
is not following the Chargaff's rule, hence it can be concluded that it is a
single-stranded DNA, not double-stranded.
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