A reproduction or sex cell, especially one capable of participating in fertilization.
Prezygotic isolating mechanism that occurs
when fertilization cannot take place between species.
Part of a cell located on a chromosome that
determines a particular characteristic of an organism.
Occurs when an individual or group of
individuals migrate to (or from) one population to (or from)
another and interbreed with its members. Also known as
Gene Migration or
Migration.
Mutation which generally affects only a few
sequences within a gene.
Two genes on homologous chromosomes, one
inherited from each parent, which come together to determine one or
part of a given trait.
The sum total of all of the genes and
combinations of genes that occur in a population of organisms of
the same species. Also known as
Genus.
Organisms of the same age or period.
Process of pure chance by which gene
frequencies can change with no external stimuli.
The term applied to laboratory techniques
that alter the genes (hereditary material) of an organism.
A numeric estimation of the proportion of
genes that are identical between two populations.
Quantity and distance by which genes differ
from organism to organism within the same gene pool.
The scientific study of how physical,
biochemical, and behavioral traits are transmitted from parents to
offspring.
The genetic constitution of an organism.
The separation of populations via physical
barriers.
The sprouting of a seed.