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For example, a human cell has 46 chromosomes. In the karyotype, 23 pairs of chromosomes will be shown (23 x 2 = 46). A karyotype can show different types of mutations, depending on which chromosome it affects.For example, Down Syndrome is a trisomy in chromosome 21, so there will be THREE instead of two chromosome 21s. You can research more mutations shown by chromosomes in a karyotype.or example, a human cell has 46 chromosomes. In the karyotype, 23 pairs of chromosomes will be shown (23 x 2 = 46). A karyotype can show different types of mutations, depending on which chromosome it affects.
In Down's Syndrome, an individualâs cells contain a third copy of chromosome 21. This abnormality can be seen in the individualâs karyotype. MOLECULAR ANALYSIS -- Most changes in DNA, however, are too subtle to be detected by this technique and require molecular analysis.oint mutations that occur within the protein coding region of a gene may be classified into three kinds... A. nonsense mutations: code for a stop, which can truncate the protein. B. missense mutations: code for a different amino acid. C. silent mutations: code for the same amino acid.