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Hatter6998
13.07.2019 •
Biology
Ineed with these (biology) 28 1. how can a small change in a person's dna cause a genetic disorder? 2. how does nondisjunction cause chromosomal disorders?
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Ответ:
2. It causes a mutation in the number of chromosomes, either extra chromosomes or missing chromosomes. Nondisjunction during meiosis can cause chromosomal disorders , such as a trisomy 21 (down syndrome) , Tuners syndrome , and Klinefelter's syndrome. It is a monosomy of the X sex chromosome.
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