Dictionary > Egg polarity gene

Egg polarity gene

Definition
noun
A maternal gene that encodes for products (mRNA or protein) whose spatial distribution in the egg determines the orientation (polarity) of the egg. Its expression takes place even before fertilization.
Supplement
Egg polarity genes are required for the normal development of the embryo. They produce products that establish the polarity well before fertilization. It was well studied and characterized in Drosophila embryogenesis.
Examples of these genes are bicoid, nanos and caudal.
Synonyms:


You will also like...

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..

Lentic community
Freshwater Communities & Lentic Waters

Lentic or still water communities can vary greatly in appearance -- from a small temporary puddle to a large lake. The s..

Pink Lotus plant on a pond
Freshwater Lentic Communities & Animals

This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..

An artistic depiction of a human embryo
Growth and Development of a Human Baby

Upon fertilization, a zygote forms and develops into an embryo. This tutorial elaborates on the growth and development f..

Balanced Diet
A Balanced Diet – Minerals and Proteins

Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..

Hormone Production
Hormone Production

Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..

Related Articles...

No related articles found

See all Related Topics