In meiosis, the daughter cells differ from parent cell as

In meiosis, the daughter cells differ from parent cell as well as amongst themselves due to

1. segregation, independent assortment and crossing over
2. segregation and crossing over
3. independent assortment and crossing over
4. segregation and independent assortment

Due to segregation, independent assortment and crossing over at the time of meiosis, daughter cells exhibit variation.