A light year is approximately 9.46 x 10¹² kilometres. Calculate in light years, the approximate total length of DNA in all the undergraduate students studying at Cardiff University given that: 

(i) the human haploid genome comprises approx. 3.2 x 10⁹ base-pairs (bp) DNA; 

(ii) 10 bp of DNA has a length of approx. 3.4 nm,

(iii) an adult human is constructed from about 3.7 x 10¹³ cells (Bianconi et al, (2013), Ann Hum Biol 40, 463–471).

(iv) There are approx. 23,800 undergraduate students at the University. Show your calculations in full.

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Solution A genome is a full set of genetic material found in an organism Deoxyribonucleic acid ... View the full answer