Dictionary > Unequal cleavage

Unequal cleavage

Definition
noun
A holoblastic cleavage producing blastomeres of unequal size.
Supplement
An example is the holoblastic cleavage in a frog egg where a fair amount of yolk concentrates toward the vegetal pole. Because of the concentration of the yolk at the vegetal pole, cleavage results in blastomeres in different size. That is, the blastomeres are smaller in animal pole while larger in vegetal pole.
Compare: equal cleavage
See also: holoblastic cleavage


You will also like...

Biological Cell schematic diagram
Biological Cell Introduction

It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..

Biological Energy
ATP & ADP – Biological Energy

ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..

Plant Water Regulation
Plant Water Regulation

Plants need to regulate water in order to stay upright and structurally stable. Find out the different evolutionary adap..

Electromagnetic spectrum of a brain
Sleep and Dreams – Neurology

While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..

DNA - schematic
Genetic Mutations

This tutorial looks at the mutation at the gene level and the harm it may bring. Learn about single nucleotide polymorph..

Darwin's Finches - Natural Selection
Darwin and Natural Selection

This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..

Related Articles...

No related articles found

See all Related Topics