Triple X syndrome

Triple X syndrome

VIDEOPRESENTATION

HOW SCIENTIFICALLY IS

Triple X syndrome

Overview

Triple X syndrome, also called trisomy X or 47,XXX

Affects about 1 in 1,000 females

In triple X syndrome, a female has three X chromosomes.

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OF MEN SUFFERS FROM IT

0.001%

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OF WOMEN SUFFERS FROM IT

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symptoms

Signs and symptoms

Delayed development of speech and language skills, as well as motor skills

Normal sexual development and have the ability to become pregnant

Intelligence in the normal range, but possibly slightly lower when compared with siblings

Learning disabilities

Being taller than average height

Behavioral problems

Psychological problems

Problems with fine and gross motor skills

epicanthal folds

Widely spaced eyes

Abnormally curved pinky fingers

Flat feet

Sometimes triple X syndrome may be associated with these signs and symptoms:

hypotonia

Seizures

Kidney abnormalities

ovary abnormalities

Abnormally shaped breastbone

Developmental delays

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Inés Grande Barras

WHICH ARE THE MAIN

Causes

1.

2.

Mosaic

Nondisjunction.

either the mother's egg cell or the father's sperm cell divides incorrectly.

the extra chromosome results from an incorrect cell division caused by a random event early in the embryo's development

Females with triple X syndrome have a third X chromosome from a random error in cell division.

This error can happen before conception or early in the embryo's development, resulting in one of these forms of triple X syndrome