XX

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XX

[ekseks′]
the designation for the normal sex chromosome complement in the human female. See also X chromosome.

XX

Sex chromosomes found in female of the species.
References in classic literature ?
It appeared to me that the gentleman in spectacles backed his Twenty Eight against Mr.
This does you credit, Twenty Eight,' returned the questioner.
Put the twenty thousand in the envelope and hand it to our excellent Mme.
Then he counted the twenty thousand-franc notes in front of him and put the notes into the envelope, but without closing it.
Accept it, accept it, Planchet; and in that way you will only lose fifteen thousand francs instead of twenty thousand, and you will not be tempted to disregard the signature of your master and friend, by losing nothing at all.
It has one hundred and seventy-five exchanges, four hundred operators, thirteen thousand telephones, and twenty thousand miles of wire--a more ample system than the city of New York had in 1896.
A paper of the first class, such as The New York World, has now an outfit of twenty trunk lines and eighty telephones.
Fogg; and, turning to the others, he continued: "I have a deposit of twenty thousand at Baring's which I will willingly risk upon it.
I will bet twenty thousand pounds against anyone who wishes that I will make the tour of the world in eighty days or less; in nineteen hundred and twenty hours, or a hundred and fifteen thousand two hundred minutes.
Also, he became a devotee of the moving- picture shows, spending as much as twenty and thirty cents a day and resolutely sitting out every repetition of programme.
In addition, it is excellent as a material, and I well remember that during the war, at the siege of Atlanta, some iron guns fired one thousand rounds at intervals of twenty minutes without injury.
All preliminary explanations being now cleared out of the way, I come at last to the real knot of the case--to the twenty thousand pounds.

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