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20 October, 08:49

If a segment of dna is made up of 40 thymine how much guanine is present

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  1. 20 October, 10:43
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    According to Chargaff's rule, [A] + [G] = [C] + [T]

    [A]+[G]+[C]+[T] = 100 %

    Adenine [A] is paired with Thymine [T], A=T

    Cytosine [C} is paired to Guanine [G], G = C

    Here,[T] 40 % therefore, % of [A] is also 40%,

    Therefore; [G]+[C] = 100% - 80% = 20%

    Hence; [G] = 10% and [C] = 10%

    Therefore, the percentage of guanine present is 10%
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