Animal cells and plant cells can form tissues ... Sex cells are called gametes. These are sperm and eggs (or ova) in animals, and pollen and ova in plants eggs (or ova ) are female gametes ...

Plant development is the process by which structures ... fertility in Arabidopsis and that impaired autophagy disrupts sperm cell biogenesis and pollen tube growth.

Bayer and colleagues describe the first paternal effect on plant embryogenesis ... division are mediated by a signal provided by the sperm cells. In flowering plants, including Arabidopsis ...

Meiosis, as described above, is the process by which certain sex cells are created. If you're male, your body uses meiosis to create sperm cells; if you're female, it uses meiosis to create egg cells.

Rice is a staple food crop for more than half the world's population, but most farmers don't grow high-yielding varieties ...

Meiosis, as described above, is the process by which certain sex cells are created. If you're male, your body uses meiosis to create sperm cells; if you're female, it uses meiosis to create egg cells.

Scientists have grown an entity that closely resembles an early human embryo, without using sperm, eggs or a womb. The Weizmann Institute team say their "embryo model", made using stem cells ...