XXX

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XXX, XXXX, XXXXX

[fôreks′, fīveks′]
the designations for abnormal sex chromosome complements in the human female in which there are, respectively, three, four, or five instead of the normal two X chromosomes so that each somatic cell contains a total of 47, 48, or 49 chromosomes. Although there is no consistent phenotype associated with such aberrations, the risk of congenital anomalies and mental retardation in the affected individual increases significantly as the number of X chromosomes increases.

XXX

adjective Popular slang for X-rated.

XXX

symbol for a chromosomal aberration found in mares and cows in which there is infertility because of ovarian hypoplasia.
References in periodicals archive ?
The Situation: Costly Triple X funding structures undermine the comparability of statutory-basis financial information without absorbing meaningful economic risk.
What Needs to Happen: The life insurance industry would benefit by unwinding Regulation Triple X in favor of a simple actuarial placeholder for level premium term life risks, such as the use of GAAP reserving methodologies.