Which one of the following occurs in meiosis, but not mitosis?
a. Chromosomes condense.
b. Homologous chromosomes separate.
c. The nuclear envelope disappears.
d. Sister chromatids separate.
e. A spindle apparatus forms.

Question

Which one of the following occurs in meiosis, but not mitosis?  
a.	Chromosomes condense.
b.	Homologous chromosomes separate.
c.	The nuclear envelope disappears.
d.	Sister chromatids separate.
e.	A spindle apparatus forms.

alphadxg · Answer

B - because in meiosis they are paired up to exchange genetic material, where in mitosis sister chromatids are paired up but they do not exchange material to each other.