length of dna having 23 base pair is:-(a)78Angstrom (b)78.4 (c)78.2 Share with your friends Share 0 Ishi answered this 10 base pair have length of 34 A° So length of 1 base pair is 3.4 A° Thus length of 23 base pair is 3.4 × 23 = 78.2 A° 1 View Full Answer Shyam Sundar Patnaik answered this the answer should be option C .. 1 bp is of 3.4 armstrongs ....and 23 bp will be of 3.4 * 23 = 78.2 0