heterogamy

This type of heterogamy occurs for example in some aphids.

Age heterogamy refers to marriages involving partners of significantly different ages.

This is also referred to by the terms heterogamy or heterogony.

The form of heterogamy that occurs in animals is oogamy.

Some species alternate between the sexual and asexual strategies, an ability known as heterogamy, depending on conditions.

For example, ethnic heterogamy refers to marriages involving individuals of different ethnic groups.

Heterogamy has a number of biological definitions:

The terms heterogametic and homogametic are related to heterogamy, but distinct.

In some animals, there is an alternation between parthenogenic and sexually reproductive phases (heterogamy).

In reproductive biology, heterogamy is the alternation of differently organized generations, applied to the alternation between parthenogenetic and a sexual generation.

Zoogametes show indications of heterogamy, a slight difference in the size and motility of the pairs that fuse to form the smooth walled zygote.

On family structure, he has addressed issues of measurement, including how to identify cohabiting couples in U.S. Census data., and the language used for marriage (homogamy and heterogamy).

It is a form of anisogamy (heterogamy) in which the female gamete (e.g. egg cell) is significantly larger than the male gamete and is non-motile.

In cell biology, heterogamy is a synonym of anisogamy, the condition of having differently sized male and female gametes produced by different sexes or mating types in a species.

In sociology, heterogamy refers to a marriage between two individuals that differ in a certain criterion, and is contrasted with homogamy for a marriage or union between partners that match according to that criterion.