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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.
Blue The Blue mutation in Quaker parakeets is quite possibly the simplest to understand. Essentially, this mutation inactivates the production of psittacin resulting in the expression of just the melanin and the structural color creating the blue color. The Blue mutation is an autosomal recessive mutation.ince there is no melanin production, there is no dark pigment to interact with the structural color to create blue, so you are left with the expression of just the psittacin pigments yellow. In Quaker parakeets, there are actually two Lutino mutations.