Tag: Genetic Disease

Genetic Infertility Treatment Abroad At Low Cost – Genetic Infertility

Genetic infertility Treatment Abroad

Genetic Infertility

What is DNA ?

DNA (deoxyribose nucleic acid) is a code inside cells to tell the body what it needs to function and what to look like. The code is made up of 4 different chemical units called bases. The bases are adenine (A), thymine (T), guanine (G) and cytosine (C).

A gene is a small section of the code (though much longer than this example) that can be decoded by the cell to mean something. A single gene might be responsible for any aspect of your body’s function or appearance, like making a certain protein, or the colour of your eyes…

What are Chromosomes ?

Packaging the DNA into chromosomes ensures that the genetic material is copied and distributed evenly when a cell divides. Chromosomes can only be seen under the microscope when a cell is dividing.

Long strings of DNA, containing hundreds of genes each, coil up in the form of chromosomes. In normal human cells there are 46 chromosomes There is one pair of sex chromosomes (two X chromosomes for females and one X and one Y chromosome for males) and 22 pairs of autosomes (non-sex chromosomes) numbered 1-22…

Genetic Mistakes

Gene errors

Once these errors are made, the gene may be faulty and not function properly. It may cause a genetic disease, such as cystic fibrosis. The faulty gene will be copied exactly and can be passed down from generation to generation…

Chromosome errors

Chromosome loss or gain.

When a cell is dividing, sometimes a whole chromosome can end up in the wrong cell, so that the cell has the wrong number of chromosomes (aneuploidy). One cell will have one too many chromosomes (chromosome gain) and one will have one too few (chromosome loss)…

Chromosome Rearrangement

Pieces of chromosomes can sometimes be rearranged, so that one piece of a chromosome is stuck on another (translocation) A handy way to think about this is if you imagine that you have two complete sets of Encyclopaedia Britannica in your house, stored in a very orderly fashion….

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