assortative mating: meaning, definition, pronunciation and examples

C2
UK/əˌsɔːtətɪv ˈmeɪtɪŋ/US/əˌsɔːrt̬ətɪv ˈmeɪt̬ɪŋ/

technical/academic

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Quick answer

What does “assortative mating” mean?

A pattern in which individuals with similar traits are more likely to mate with each other than by random chance.

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Pronunciation

Definition

Meaning and Definition

A pattern in which individuals with similar traits are more likely to mate with each other than by random chance.

In evolutionary biology and sociology, the non-random pairing of individuals based on phenotypic or social characteristics, which can influence genetic and social structures in populations.

Dialectal Variation

British vs American Usage

Differences

No significant orthographical or pronunciation differences. The term is equally technical in both varieties.

Connotations

Strictly scientific/neutral in both regions.

Frequency

Extremely low frequency in general discourse; confined to specialist literature.

Grammar

How to Use “assortative mating” in a Sentence

Assortative mating for [trait] (e.g., intelligence, height)Assortative mating by [social factor] (e.g., education, income)Assortative mating occurs/occurs among...

Vocabulary

Collocations

strong
positive assortative matingnegative assortative matinggenetic assortative matinghighly assortative mating
medium
patterns of assortative matingdegree of assortative matingassortative mating for height
weak
study assortative matingobserve assortative matingevidence of assortative mating

Examples

Examples of “assortative mating” in a Sentence

verb

British English

  • The birds appear to assortatively mate based on plumage colour.

American English

  • Populations that assortatively mate for size show less genetic variation.

Usage

Meaning in Context

Business

Rarely used, except in niche HR contexts discussing partnership formation within organisations.

Academic

Central concept in evolutionary biology, genetics, and sociological studies of marriage markets.

Everyday

Virtually never used.

Technical

The primary context, used with precision to describe mating patterns in populations.

Vocabulary

Synonyms of “assortative mating”

Strong

Neutral

non-random matingselective pairing

Weak

like-with-like matingphenotypic sorting

Vocabulary

Antonyms of “assortative mating”

Watch out

Common Mistakes When Using “assortative mating”

  • Using 'assortive' (incorrect spelling).
  • Confusing it with 'assertive' due to similar sound.
  • Applying it to casual dating rather than long-term population-level patterns.

FAQ

Frequently Asked Questions

No, while often studied in genetics, it is also a key concept in sociology for traits like education, income, and social attitudes.

In some species, individuals with dissimilar immune system genes (MHC) may preferentially mate, which is negative assortative mating.

No, it is observed across many animal and plant species as a fundamental evolutionary process.

It influences the genetic structure of populations and can increase or decrease variation for inherited traits, affecting evolution. Socially, it can reinforce socioeconomic stratification.

A pattern in which individuals with similar traits are more likely to mate with each other than by random chance.

Assortative mating is usually technical/academic in register.

Assortative mating: in British English it is pronounced /əˌsɔːtətɪv ˈmeɪtɪŋ/, and in American English it is pronounced /əˌsɔːrt̬ətɪv ˈmeɪt̬ɪŋ/. Tap the audio buttons above to hear it.

Learning

Memory Aids

Mnemonic

Think: 'ASSORT' like sorting into groups – assortative mating is sorting partners by similar traits.

Conceptual Metaphor

MATING AS A SORTING ALGORITHM

Practice

Quiz

Fill in the gap
When individuals with similar traits pair up more often than expected by chance, it is called mating.
Multiple Choice

What is the opposite of 'positive assortative mating'?