With regards to some of your questions.

1)  there was a discussion about Marie see this link

http://www.scottsigler.com/node/1714

2)  In genetics there are several different sex-determination systems  XY - us, XO - some insects,  ZW - birds, insects and some others.  Although the chromosomes don't look like Z or W, my guess is that Scott is using a take off of this system!

"Well. I'll tell you what. You gonna kick it with me. Or I'm gonna kick you out. What you think of that?" Sister Mary Clarence 

- It's a cold world and this is life.

Savior sensed Brian as an enemy, not an ally.....

http://crimson-hairess.deviantart.com/

The empire will fear my sexy coils!

as far as the possible pre-quel/sequel, Scott did say he wanted us to post things like this that would need shoring up in such a book here, so that's why I did =P

The Saviors still need explanation though, the hyper sensory awareness they exhibit makes them something other than human, but also not part of Marie's children, it's a subject that needs to be looked at.

http://crimson-hairess.deviantart.com/

The empire will fear my sexy coils!

he felt that all beings of maries children were evil. 

so maybe he just assumed since he felt Brian as "family" he was evil as well.

I don't remember there being anything about savior and any of the previous infants like

rex there were sent into the world. 

with mr. zaphod 

thing either in subsequent books or in the rewrite this information will come out or clarified.

that is why having so many editors in your 'employ' really helps.

Rex grew up abused and misused
bry-bry was brought up in a loving home
same potential in different growth enviroments
#3
http://www.pgholyfield.com/maah/

Aggie was given  the baby, money, and a slip of paper with THREE addresses. One was Roberta's who got Rex, second was Brian's dad, and the third... who was that? What about other "kings" what were liberated over the twoo hundred years of Marie's Children underground kingdom? Hmmm, possible spinoff or TV miniseries?

PS What about a Nocturnals VS the Infected??? Think about it!

I might be totally wrong, but now having completed listening to Nocturnal, I thought from the story that the Savior himself was like Brian a Family member who was probably saved long ago. 

It seems that these "normal" kids were destroyed by the family... or brought to the surface to be raised by those people they deemed well...

Anyway, awesome story FDO... I can't wait to buy it....

- "When I get a little money I buy books. If any is left over, I buy food and clothes." - Erasmus

 I could see if he had a major blow-out with his father. but Pissed off, I don't completely buy it. mistrusting, maybe. a little more back story into family dynamics could show the reason.

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I AM not just junkie, I AM a pusher man & I AM Sadocks Tangent Brother.

 So I know I am a little late to the party and all, but hey a junkie is still a junkie. Now my one question that leaves a small hole in the plot is what ever happened to Spidey? Hey gets his arm blown off by pookie, then vanishes while Bryan is busy with Clyde the Glide. Where does he go? You would think he would be mentioned somewhere either returning to Sly, or something.

Other than that and the few things that have already been brought up, wonderful job as always my lord and master FDO. I love this story, and can not wait to hear about a sequal coming our way.

[colorteal]Procastination is the art of keeping up with yesterday[/color]

Scott will have the oportunity to fix that in the rewrite.

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I AM not just junkie, I AM a pusher man & I AM Sadocks Tangent Brother.

Why only a fleeting mention of "first born" I really wanted to hear where he was holed up and a little on his next strategy to set up the next book....

"Who is Number One?", "You, are Number Six!", "I am not a number, I am a free man!"

I was just thinking about how Marie sounded a bit like a queen bee in some aspects- I was just thinking....

With bees, whenever a queen is born she is raised to a certain age & then sent out from the hive to form a new one. If they remain, the queen is stung to death. What if Marie was the same?  What if she was sent out from another group similar to hers? After all, Nocturnals fit all sorts of different tales of monsters & things that go bump in the night.

Also, I was also thinking about the varied appearances of the Nocturnals. Some of them look quite a bit like other species, but isn't it true that every living thing contains traces of everything that's come before? It could explain why there's so many different critters in the pack.

But yeah... LOVED the book! I can't wait for the next one to come out!

if memory serves, it was revealed that Bryan's "zed" chromosome was damaged or incomplete, which implied why he was not like any of Marie's Children. 

**UNdead/GirlCo - We'll eat your brains and look good doing it.**