Chromosomal Alterations Comic
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Hello students. My name is Mr. Macalaster and today we will be discussing the 4 kinds of chromosomal alterations
Deletion is where a part of the chromosome, for whatever reason, is lost. This is very serious since certain important genes may have been on that lost fragment.
Duplication is where certain genes of a chromosome are replicated. This can actually be beneficial since it could provide the resources for new, useful genes to be created.
Inversion is where a part of the chromosome breaks off and reattaches in reverse order. This is not that serious since all the genes are still present, but just in reverse order.
Translocation is when a part of a chromosome attaches to a part of a nonhomologous chromosome. Pictured above is a special type of translocation called reciprocal translocation since both chromosomes switch genes. This type of chromsomal alteration is what causes leukemia.
And those are all the kinds of chromsomal alterations there are. I hope you learned something and enjoyed. Thanks for reading.
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