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Chromosomal aberrations are changes in the structure or number of chromosomes and can be classified mainly into two types: numerical aberrations, which involve an abnormal number of chromosomes (such as aneuploidy), and structural aberrations, which involve changes in the chromosome structure (such as deletions, duplications, inversions, or translocations). They are similar in that both types can lead to genetic disorders and impact an organism's development and function. However, their underlying causes and the specific consequences for the organism can differ significantly, with numerical aberrations often resulting from errors during cell division and structural aberrations typically arising from DNA damage or incorrect repair mechanisms.

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1w ago

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How are the three chromosomal aberrations different from each other how are they similar?

The three chromosomal aberrations - deletion, duplication, and inversion - are different in terms of the changes they cause in the chromosome structure. Deletion involves the loss of a segment of the chromosome, duplication results in the presence of extra copies of a segment, and inversion entails the reversal of a segment within the chromosome. These aberrations are similar in that they can all lead to genetic disorders or abnormalities due to the changes in the chromosome structure they cause.


How are the three chromosomal aberrations differ from each other?

The three main types of chromosomal aberrations are deletions, duplications, and translocations. Deletions involve the loss of a segment of a chromosome, which can lead to gene loss and associated disorders. Duplications entail the presence of an extra segment of a chromosome, resulting in gene redundancy that may disrupt normal function. Translocations occur when a segment of one chromosome breaks off and attaches to another chromosome, potentially leading to genetic imbalances and various diseases, including cancer.


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