Both Meiosis and Fertilization are essential to maintain chromosome number, constant. Why?

In meiosis, chromosome number becomes

Choose the correct alternative Mitosis/meiosis and fertilization are two important processes involved in sexual reproduction in angiosperms which collectively maintain the chromosome number constant from generation to generation.

Why is animal husbandry essential?

Why is water essential for life?

At which stage of Meiosis , reduction of chromosome number occurs?

Why is water essential for life ?