genetic diseases

Difference between identical and fraternal twins

Before establishing the biological origin differences between identical and fraternal twins, let’s make a quick note on the etymology of both words.
Etymologically both terms have the same origin (Latin gemellicium) and were used interchangeably to refer to children born in the same delivery. The only difference was the use of the term fraternal twin in the popular speech twin and identical twin in the cultivated speech. However, the semantic evolution of both words has been accompanied by the numerous advances in the field of genetics and knowledge of the development of the human embryo. In fact, since they differ in the latest edition of the dictionary of the RAE: […]

2014-04-17T14:08:43+02:0017 de April de 2014|0 Comments

Cystic Fibrosis and fertility

Cystic fibrosis is a chronic and progressive disease that appears in early childhood and affects many organs in the body, (such as the lungs, intestines, pancreas, liver…). The disease causes thick mucus production, which leads to blockages and infections.

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2016-09-22T11:49:07+02:007 de November de 2011|0 Comments

Marfan Syndrome and PGD (embryo genetic diagnosis)

Marfan syndrome is an inherited genetic disorder that affects connective tissue.

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2016-08-09T13:51:44+02:0012 de August de 2011|0 Comments
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