What is chromosomal aberration?
Chromosomal aberration is abnormality in the structure or number of chromosomes in the body. Depending on the nature of aberration, this can lead to serious congenital defects, potentially include defects incompatible with life. Chromosomal aberrations can be diagnosed using a karyotype, a visualization of a complete set of chromosomes of the organism, where functional changes in chromosomes will be easily visible. Treatment of people with chromosomal aberrations involves providing supportive care because it is not possible to cure the conditions caused by chromosome problems. Exposure to radioactive substances and chemicals known to cause mutacets are used in fertilization. If there are errors during the division of embryonic cells, the resulting organism will show genetic mosaicism, where some of the cells have a healthy set of chromosomes and others show chromosomal aberration.
numeric is possible for a person to have three sets of chromoZomů instead of two of one or more cases, creating an uneven number of total chromosomes. On the other hand, there may be a single chromosome instead of a pair in one or more places. The nature of the damage that occurs as a result of this type of chromosomal aberration varies; A well -known example of numerical chromosomal aberration is Down's syndrome where people have another 21. Chromosome.
structurally, chromosomal aberrations may include deleations, advertising, rings, inversions, translocations and duplication. This can lead to a number of congenital defects and in some cases, a person may not have any noticeable symptoms because aberration is less. All of these aberrations can potentially be handed over to descendants, depending on what is happening during cell division. In some cases, chromosomal aberrations cause people to effectively sterile.
Some chromosomal aberrations can be identified during pregnancy. Embryo may not develop as expected, leading to diagnosis or prenatal testing could provideOut information about genetic conditions. In some cases, these conditions lead to the death of the fetus and are struggling or experiencing the woman. People who experience loss of pregnancy due to chromosomal aberrations may want to consider genetic testing to learn more about the risk of future pregnancies.