Help. During which phase of meiosis could an error result in trisomy and how?
А
Prophase l- an error during crossing over pulls an extra chromosome to one side of the cell
B
Metaphase 1- an error when spindle fibers attach results in an extra chromosome being created
Anaphase l- an error during random assortment pulls an extra chromosome to one side of the cell
D
Telophase l- an error when the nuclear membrane forms, it results in an extra chromosome being created
