Mass of human chromosomes measured for the first time/Medida por primera vez la masa de cromosomas humanos. by mauromar

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· @mauromar ·
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Mass of human chromosomes measured for the first time/Medida por primera vez la masa de cromosomas humanos.
<center>https://cdn.britannica.com/12/91212-050-21A839CD/Karyotype-human-chromosomes-images-digital-light-microscope.jpg<a href="https://www.britannica.com/science/human-genetics">
Sources</a></center>
As you all know the human genome is formed by 3,500 million nitrogen bases that are repetitions of the famous 4 letters (A)denine, (C)ytosine, (G)uanine and (T)imine that, placed following accurate sequences, encode all the instructions necessary to make an exact copy of the owner of this genome.

>Como todos sabéis el genoma humano está formado por 3.500 millones de bases nitrogenadas que son repeticiones de las famosas 4 letras (A)denina, (C)itosina, (G)uanina y (T)imina que, colocadas siguiendo secuencias precisas, codifican todas las instrucciones necesarias para hacer una copia exacta del propietario de este genoma.

All this pile of bases, if we put together and stretch reach a length of 2m, which has to be able to be kept inside the core of a cell of a handful of thousandths of millimeter in diameter, therefore it is necessary to pack all these bases forming what the experts call the chromosomes.

>Todo este montón de bases, si las juntamos y las estiramos alcanzan una longitud de 2 m que tiene que poder guardarse dentro del núcleo de una célula de un puñado de milésimas de milímetro de diámetro, por ello es necesario empaquetar todas estas bases formando lo que los expertos han dado en llamar los cromosomas.

<center>https://www.genome.gov/sites/default/files/inline-images/Chromosome_factsheet2020.jpg<a href="https://www.genome.gov/about-genomics/fact-sheets/Chromosomes-Fact-Sheet">
Source</a></center>
Normally the human cell is formed by 23 pairs of these chromosomes, 22 of them numbered from 1 to 22 (autosomes) and one of them holding sexual information and is precisely the mass of these chromosomes what an international group of scientists has achieved Calculate using X-rays.

>Normalmente la célula humana está formada por 23 pares de estos cromosomas, 22 de ellos numerados de 1 al 22 (autosomas) y uno de ellos que porta la información sexual y es precisamente la masa de estos cromosomas lo que un grupo internacional de científicos ha conseguido calcular utilizando rayos X.

To calculate this mass, they used a technology called X-ray pticography by which they can calculate the electron density of the chromosomes and thus calculate their mass. The measurements were made during the metaphase, just before the cell division that is the time when DNA is fully packaged.

>Para calcular esta masa utilizaron una tecnología llamada pticografía de rayos X mediante la cual pueden calcular la densidad de electrones de los cromosomas y así calcular su masa. Las mediciones se hicieron durante la metafase, justo antes de la división celular que es el momento en que el ADN se encuentra totalmente empaquetado.

<center>https://www.bioexplorer.net/file/mitosis-metaphase.jpg<a href="https://www.bioexplorer.net/divisions_of_biology/cell_biology/mitosis/">
Source</a></center>
The results obtained from this measurement suggest that the total mass of the 46 chromosomes is 240 picograms (trillionth of gram), the surprising thing is that for researchers it is a much greater mass than they had calculated, this suggests that many still have many Things to discover.

>Los resultados obtenidos de esta medición sugieren que la masa total de los 46 cromosomas es de 240 picogramos (billónesimas de gramo), lo sorprendente es que para los investigadores es una masa mucho mayor de la que habían calculado, esto sugiere que aún les quedan muchas cosas por descubrir.

Understanding how chromosomes work is something vital for medical science, in diseases such as cancer that are a consequence of uncontrolled cell divisions, the fact of understanding the operation of the packaging and processing of the DNA molecule may involve great progress.

>Comprender como funcionan los cromosomas es algo vital para la ciencia médica, en enfermedades como el cáncer que son consecuencia de divisiones celulares incontroladas, el hecho de entender el funcionamiento del empaquetado y procesamiento de la molécula de ADN puede suponer grandes avances.

More information/Más información
https://www.ucl.ac.uk/news/2021/jun/mass-human-chromosomes-measured-first-time

https://www.muyinteresante.es/ciencia/articulo/logran-medir-la-masa-del-genoma-humano-completo-921622724528
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@tauhida ·
Thank you for share this your knowledgeable post.
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@alevin ·
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Greetings friend, thank you for sharing such valuable information such as chromosomes, the fundamental basis of the human body. Regards.
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@brismar ·
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Gracias por tan valiosa información, importante indagar sobre nuestro  organismo.
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@jasonmunapasee ·
This is good science.
Thank you for sharing, so I already know a lot with you sharing this.
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@kwadjobonsu ·
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This is very fascinating. I will follow up on this topic. I have a Bachelor's in Biological Sciences so it was fun reading this.
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@kokoliso · (edited)
Interesante, a ver qué descubren sobre los cromosomas... a veces se lían ellos sólos durante la reproducción y se triplican o duplican dando grandes problemas.
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@mauromar ·
La verdad es que hay que afinar de pelotas para darte cuenta que te sobran unos picogramos.
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@nafisislam ·
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Love to know it
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@vera2 ·
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@nildighonto ·
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