Sexual Reproduction is widespread in multi cellular organisms, humans, animals, insects, etc. Asexual reproduction is widespread in the prokaryotic microorganisms (bacteria) and in some eukaryotic single-celled and multi-celled organisms….
The sperm and Ovum plays an important role in fertilization. Production of sperm starts only after the puberty in males. Production of Ovum may start after birth, but ova Will be matured after puberty.
Mitosis and Meiosis are the two phases of the nuclear cell division. There are four phases in mitosis, four phases in meiosis-1 and another four phases in meiosis-2 which results in the successful cell division.