Which one ensures maintenance of chromosome number generation after generation ?

Identify me : I am a type of cell division, significant during sexual reproduction and helping to maintain constant chromosome number generation after generation in particular species.

Meiosis is essential for keeping the chromosome number constancy generation after generation.

Which one enables the continuity of the species generation after generation?

Meiosis is important for maintenance of specific number of chromosomes from generation to generation.

Which division help to maintain constant chromosome number in the next generation after sexual reproduction

Both gametogenesis and fertilization collectively maintain the chromosome number constant from generation to generation. Give reason.

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.

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.

First generation after a cross is