Dictionary > Homogametic sex

Homogametic sex

Definition
noun
The sex of a species possessing similar sex chromosomes
Supplement
In humans, the homogametic sex is the female. All female gametes have the same type of sex chromosome: X-chromosome.
In other animal species, such as some birds and reptiles, the homogametic sex is the male. They have two Z sex chromosomes, thus, all gametes that they produce will bear only a Z sex chromosome.
Word origin: Greek homós (one and the same)
Compare:


You will also like...

An artist's depiction of the origin of amphibians
Amphibians & Early Reptiles

Obtaining air outside an aquatic environment required species to acquire suitable adaptations, and this was the case of ..

human respiratory system
Respiration

The human respiratory system is an efficient system of inspiring and expiring respiratory gases. This tutorial provides ..

Population Regulation in an Ecosystem
Population Regulation in an Ecosystem

With regard to the population size of a species and what factors may affect them, two factors have been defined. They ar..

DNA molecule
Genetic Control – On and Off Genes

Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..

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..

Mātauranga Māori and Science Collaboration
Mātauranga Māori and Science

Mātauranga Māori is the living knowledge system of the indigenous people of New Zealand, including the relationships t..