Definition
noun
The fertilization of an ovum by more than one sperm.
Supplement
The ovum fertilized by more than one sperm results in having more than two copies of each chromosome — one from the ovum and one each from the sperms. The resulting zygote is often inviable.
Word origin: from polyspermia » Gk polyspermía abundance of seed + –y.
Related forms: polyspermic (adjective)
Compare: monospermy.
See also: fertilization.
Definition noun The fertilization of an ovum by more than one sperm. Supplement The ovum fertilized by more than one sperm results in having more than two copies of each chromosome — one from the ovum and one each from the sperms. The resulting zygote is often inviable. Word origin: from polyspermia » Gk polyspermía..
Plant organs are comprised of tissues working together for a common function. The different types of plant tissues are m..
Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..
Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..
Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..
There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
