It's very simple, Martha, this young man...

It's very simple, Martha, this young man is working on a system whereby chromosomes can be altered...well not all by himself-he probably has one or two co-conspirators-the genetic makeup of a sperm cell changed, reordered...to order, actually...for hair and eye color, stature, potency...I imagine...hairiness, features, health...and mind. Most important...Mind. All imbalances will be corrected, sifted out...propensity for various diseases will be gone, longevity assured. We will have a race of men...test-tube-bred...incubator-born...superb and sublime.

Martha: (Impressed) Hunh! Honey: How exciting!

But! Everyone will tend to be rather the same....Alike. Everyone...and I'm sure I'm not wrong here...will tend to look like this young man here.

Martha: That's not a bad idea.

Nick: (Impatient) All right, now....

It will, on the surface of it, be all rather pretty...quite jolly. But of course there will be a dank side to it, too. A certain amount of regulation will be necessary...uh...for the experiment to succeed. A certain number of sperm tubes will have to be cut...