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..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
The hominid family diversified from the apes around 6 to 8 million years ago. Since then, the evolutionary path has prov..
Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..
This tutorial elucidates body temperature regulation. Know the details here to learn how the body sets the body temperat..
This study guide tackles plant roots in greater detail. It delves into the development of plant roots, the root structur..
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
