Chapter Thirty
Gleb gave Ark the nod and he cut the plasticuffs, then shoved a marker pen into Hélio’s hand.
Gleb gestured to the whiteboard on the wall behind him. ‘Go on.’
‘Right.’ Hélio retreated from Ark and started scribbling on the whiteboard. He drew a ladder with several rungs. ‘So this is DNA. Do you know what DNA is?’
‘We’re not stupid,’ Ark said. ‘But … refresh us. It’s been a while.’
‘It’s like a recipe book, with recipes to make all the proteins in your body. The whole recipe book is encoded into every one of your cells. Even the recipes it doesn’t make.’ Hélio wrote letters down both sides of the ladder, one for each rung.
A, T, G, C, G, T, A, T.
‘Four letters. That’s the alphabet used for your recipes,’ Hélio said. ‘Different combinations make different recipes. Does
