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Altar Of Eden

“Once we got settled at the Audubon Zoo here, Zoë and I had a chance to run through those results. The chromosome proved to bear some shocking characteristics. Something you should know about.”

“Go ahead. But I’m pressed for time.”

“Of course, Agent Menard. Let me get to the point. I don’t know how familiar you are with genetic code, specifically with junk DNA?”

Jack sighed, earning a flare of his stabbing headache. “Biology was not my strong suit, Doctor.”

“No worries. This is Biology 101. As I’m sure you already know, DNA is a vast storehouse of genetic information. The human code is three billion letters long. But what you must understand is that only a very small percentage of DNA-three percent-is actually functional. The other ninety-seven percent is genetic garbage, basically baggage we’ve accumulated and been carrying around for millennia.”

“So why are we dragging it along?”

“Good question. Recent studies now suggest that not all junk DNA is pure garbage. Researchers have noted that specific regions of junk DNA match base pair for base pair with old viral code.”

Jack checked his watch, not sure where this was going.

Carlton continued: “There are two theories of why we carry around this ancient viral code. One scientific camp says it’s there to protect us against a new viral attack, basically genetic memory lying in wait until it’s needed again. The other camp says it’s merely old viral code that became absorbed into our DNA over the course of millennia. Literally the baggage of evolution. I’ve come to believe maybe it’s both. Especially as these bits of viral code can be found in DNA across animal species, from the lowliest burrowing mole to us humans. It’s like we’re carrying these identical chunks from some ancient source and keeping it for some future reason.”

Jack heard an edge of excitement enter the doctor’s voice. “What’s the point here, Doctor?”

“Yes, of course. I’m rambling. We’ve been studying the genetic code of that foreign chromosome, and Zoë had the brilliant idea to compare the sequence to various data banks, including the Human Genome Project. Within an hour, we had a hit.”

“What do you mean?”

“The genetic code of the extra chromosome. We found the exact same code already buried in our junk DNA-and not just ours but most animals’.”

“What?”

“The extra chromosome in these test subjects matches a set of old viral codes locked in all animal DNA, including our own.”

“Okay, but what does all that mean?”

“It means that animal kind-at least vertebrates-might have been exposed to this extra code before. Sometime in our evolutionary past. We dealt with it, and it became an inert part of our genome. Only now we’ve encountered it again. In active form.”

“Active?”

“I’ll let Zoë explain. She has the better grasp on this.”

Before Jack could object, the phone was fumbled and a new voice spoke. “Hi, Jack. Sorry to bother you.”

“How are you holding up, Zoë?”

“Okay. I just need to keep busy, to be useful.”

His ear picked up the strain, the tears hidden behind her words. It drew an ache from his heart, echoing his fear for Lorna. “Tell me what you learned, Zoë.”

Her voice grew firmer, moving away from that well of grief. “Before we left ACRES, my husband, Paul, had been studying the DNA, highlighting certain sequences of code, what we call genetic markers. It was plain what he suspected. The markers were unmistakable.”

“Unmistakable of what?” Jack asked.

“The markers clearly suggest this foreign chromosome is viral in origin.”

“Viral? Wait. Are you saying the chromosome is a virus?”

“We’re coming to believe so. Most viruses invade a cell’s nucleus, then hijack the host’s DNA by meshing with it in some manner. It’s why so many pieces of viral code make up our junk DNA. Only this virus doesn’t only hijack a host’s DNA. It became its own chromosome.”

Again Jack felt a sweeping chill. He began to get an inkling of why Carlton had called.

“We assumed someone had been genetically engineering these animals,” Zoë continued, “that they were taking foreign genetic material and artificially inserting it into these animals. The same way we can insert a glowing gene of a jellyfish into a mouse egg and breed mice that can glow. But it was an assumption we jumped to prematurely. After these results, it’s possible that the animals might have been merely exposed to this virus, infected with it. They then passed the genetic code to their offspring, who were born with these strange changes.”

Jack now understood why he’d been called. He stared across the empty Gulf waters. No wonder the kidnappers chose an isolated island for their experiments.

“This virus,” he said. “You think it might be contagious?”

“It could be. We don’t know. We’ve already put the animals here in strict quarantine. But we thought you should know before you reached the island. To take precautions.”

“Thanks. We’ll do that.” Jack was suddenly all too conscious of his flu symptoms, but he didn’t have time to worry about it. He had a job to do.

The tromping of boots on the steel stairs drew his attention away from the Gulf. Mack Higgins climbed up to the landing. He still chewed on the stump of a cold cigar. His eyes widened at finding Jack there.

“Just a second, Zoë.” Jack lowered the phone and nodded to Mack. “What is it?”

“Pilot says we’re all fueled up.”

Jack nodded and lifted the phone again. “Is that all you have, Zoë?”

“Only one last thing.” There was a long pause. Her voice came back brittle with anger and hurt. “Find Lorna. Bring her home. And make those bastards who killed Paul pay.”

“I promise, Zoë. On both counts.” He hung up. Lowering the phone, he faced Mack. “We set to go?”

“Pilot needs another ten minutes to run a final preflight check, then we’ll have the thumbs-up. But you should know. I just got off the horn with Jimmy back at the station. Paxton’s blowing a gasket over there. Knows we’re AWOL and off the grid.”

Jack grimaced. It was bad news, but not unexpected. Paxton was no fool. Jack’s venture threatened to get them all canned, if not tossed into prison.

“It’s not too late for you and Bruce to head back,” he offered.

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