Question

28) Be able to get information from a karyotype and provide an example of how alterations in chromosome number or structure can impact a living organism.   For example, you may be asked to explain/draw howDowns’ Syndrome , Turner’s Syndrome or Kleinfelters syndrome could occur.

-- How could meiosis produce a gamete with 2 copies of a homologous chromosome, instead of 1 copy? [Recognize that in this case, fertilization would make a zygote with 3 copies of a homologous chromosome: 2 from mom’s gamete and 1 from dad’s gamete).]  

Answer 1

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