Differentiate between sperm and ovary
Answers
Answer:
BASIS FOR COMPARISON HUMAN SPERM HUMAN OVUM
Meaning The male gamete which is long, motile, flagellated cell and is differentiated into head, neck, middle piece and tail is known as sperm. The female gamete, where the cells are rounded spheres and non-motile, though not differentiated into different regions are known as
Ovum.
Size Very small. Large in size.
Movement Can move. Not able to move.
Mitochondria In the middle piece, mitochondria form a spiral and are compactly arranged. Mitochondria are scattered in the cytoplasm.
Cytoplasm Present in the small amount. Present in large amount.
Nucleus It is condensed with no nucleoplasm. Ovum contains nucleoplasm, called as the germinal vesicle.
The nucleus contains X or Y chromosome. The nucleus contains only X chromosome.
Centrioles Present. Absent.
Produced in Sperms are produced in the testes. Ovum is produced in ovaries.
Number of sperms formed Four sperms are formed from one spermatogonium. Only one ovum is formed from one oogonium.
Differentiated into Sperms are separated into head, neck, middle piece and tail. Ovum is not externally separated into regions.
Surrounded by Surrounded by plasma membrane only. Ovum is surrounded by the egg envelopes