What is Chargaff's rule?1The amount of adenine and guanine is equal to the amount of uracil and cytosine2The amount of adenine and uracil is equal to the amount of guanine and cytosine3The amount of adenine and thymine is equal to the amount of guanine and cytosine4The amount of adenine and guanine is equal to the amount of thymine and cytosineAnswer & explanation+Correct answer: option 3According to Chargaff’s rule, whatever the amount of adenine, it is equal to the amount of thymine and same is the case with guanine and cytosine.