constant thing; it is attainable through a variety of combinations, just as the number 500 can be got by adding or multiplying together a great variety of numerical arrangements. Two long numerical formulae might both simplify out to 500, but half the length of one truncated and put end on to the truncated end of the other, might give a very different result. It is quite conceivable that you might select and wed together all the most beautiful people in the world and find that in nine cases out of ten you had simply produced mediocre offspring or offspring below mediocrity. Out of the remaining tenth a great majority would be beautiful simply by “taking after” one or other parent, simply through the predominance, the prepotency, of one parent over the other, a thing that might have happened equally well if the other parent was plain. The first sort of beauty (in my three formulae) wedding the third sort of beauty, might simply result in a rather ugly excess of F, and again the first sort might result from a combination of
Table of Contents
II. THE PROBLEM OF THE BIRTH SUPPLY
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