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Chromosomal mutation
/kɹˈəʊməsˌɒməl mjuːtˈeɪʃən/
/kɹˈoʊməsˌɑːməl mjuːtˈeɪʃən/Chromosomal mutation
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mutação cromossômica, alteração cromossômica
a genetic change that can affect chromosome structure or number, leading to variations in gene expression and potential genetic disorders
What is a "chromosomal mutation"?
A chromosomal mutation is a change in the structure or number of chromosomes in a cell. Chromosomes, which are made up of DNA and proteins, contain genetic information that guides an organism's growth and development. A mutation can occur when there is a change in the DNA sequence or an abnormality in the number of chromosomes. This can lead to various effects, such as genetic disorders or diseases. For example, Down syndrome is caused by an extra copy of chromosome 21. Chromosomal mutations can happen spontaneously or be caused by environmental factors.
Example
Learning about my daughter 's chromosomal mutation required genetic testing and counseling.
Our family faced challenges in understanding and adapting to our child 's chromosomal mutation.
Chromosomal mutations can result from errors during DNA replication or environmental factors.
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