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..
This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..
Plants and animals need elements, such as nitrogen, phosphorus, potassium, and magnesium for proper growth and developme..
Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..
Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..
Mātauranga Māori is the living knowledge system of the indigenous people of New Zealand, including the relationships t..
