Image of the Day: Sperm Donors

In 1949, the young biologist Victor Nigon described the reproduction of various species of nematodes, small roundworms that live in the soil in its doctoral thesis. These include Mesorhabditis belari, whose rare male specimens are required for reproduction, even though the genetic material found in sperm is rarely used by eggs. The resulting embryo produces a female, who is a clone of its mother.

Image of the Day: Sperm Donors

Asexual female nematodes use their male offsprings' sperm to fertilize eggs, but cast away their genes.

Mon 18 Mar 19 from The Scientist

In this nematode species, males are needed for reproductionóbut not their genes

In 1949, the young biologist Victor Nigon described the reproduction of various species of nematodes, small roundworms that live in the soil in its doctoral thesis. These include Mesorhabditis ...

Thu 14 Mar 19 from Phys.org

In this nematode species males are needed for reproduction but not their genes

In the Mesorhabditis belari roundworm, the sole purpose of males is to help females produce clones of themselves.

Fri 15 Mar 19 from ScienceDaily

  • Pages: 1

Bookmark

Bookmark and Share