If only some,but not all,of Amanda's somatic (body)cells had only one X chromosome,this could indicate that an error occurred ________.
A)during mitosis leading to the sperm or egg that came together to form Amanda
B)during meiosis in the first cell division of the original cell that was Amanda (the zygote)
C)during meiosis which occurred in Amanda's ovaries
D)during mitosis which occurred at a multicellular stage of Amanda's development

Question

Quizplus · Accepted Answer

If only some of Amanda's somatic cells have only one X chromosome, it suggests a mitotic error occurred during her development, leading to mosaicism.

If Only Some,but Not All,of Amanda's Somatic (Body)cells Had Only