intercross

C2 / Very Rare
UK/ˌɪn.təˈkrɒs/US/ˌɪn.t̬ɚˈkrɑːs/

Technical / Scientific

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Definition

Meaning

to cross or intersect each other; to breed or crossbreed organisms from different varieties or lines.

In genetics, specifically denotes the crossing of two different inbred strains or lines to produce hybrid offspring. More broadly, can describe things that intersect or overlap in a reciprocal manner.

Linguistics

Semantic Notes

The term is highly specialized. Its primary modern use is in genetics and plant/animal breeding. The more general sense of 'intersect' is largely archaic or poetic.

Dialectal Variation

British vs American Usage

Differences

Usage is identical and equally specialized in both dialects. No significant dialectal variation in meaning or application.

Connotations

Neutral, technical term. Carries no particular cultural or emotional connotation.

Frequency

Extremely low frequency in general language. Almost exclusively confined to genetics, botany, and zoology texts.

Vocabulary

Collocations

strong
intercross two linesintercross the strainsintercross varietiesintercross hybrids
medium
perform an intercrossintercross generationintercross population
weak
closely intercrossrepeatedly intercrossartificially intercross

Grammar

Valency Patterns

[NP] intercross [NP] (transitive)[NP] and [NP] intercross (intransitive)

Vocabulary

Synonyms

Strong

outcross

Neutral

crossbreedhybridize

Weak

crossinterbreed

Vocabulary

Antonyms

selfinbreedpurebreed

Phrases

Idioms & Phrases

  • [No common idioms]

Usage

Context Usage

Business

Virtually never used.

Academic

Used in genetics, biology, and agricultural science papers.

Everyday

Not used.

Technical

The primary domain. Refers to a specific breeding protocol or genetic crossing scheme.

Examples

By Part of Speech

verb

British English

  • The researchers plan to intercross the drought-resistant wheat line with the high-yield variety.
  • To study the trait inheritance, the mice were intercrossed for several generations.

American English

  • The lab will intercross the two inbred strains of corn to create an F1 hybrid.
  • After the initial cross, the hybrids were intercrossed among themselves.

adverb

British English

  • [Not used as an adverb]

American English

  • [Not used as an adverb]

Examples

By CEFR Level

A2
  • [Too advanced for A2]
B1
  • [Too advanced for B1]
B2
  • Scientists sometimes intercross plants to create new varieties.
  • The study involved an intercross between two types of laboratory mice.
C1
  • The genetic map was constructed using data from a large intercross population.
  • To dissect the complex trait, they performed a reciprocal intercross of the two parental strains.

Learning

Memory Aids

Mnemonic

Think INTERnational CROSSroads – different roads/strains coming together and crossing.

Conceptual Metaphor

CROSSING AS COMBINATION/MIXING (of genetic material).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Не путать с 'пересекаться' в бытовом смысле (to intersect). В русском научном контексте соответствует 'скрещивать (линии)', 'межлинейное скрещивание'.

Common Mistakes

  • Using it as a synonym for 'intersect' in general contexts.
  • Confusing it with 'interbreed', which is broader and can occur naturally.

Practice

Quiz

Fill in the gap
To create a genetic mapping population, the biologist decided to the two homozygous mutant lines.
Multiple Choice

In which field is the term 'intercross' most precisely and commonly used?

FAQ

Frequently Asked Questions

It is a specific type of crossbreeding, typically referring to the crossing of two different inbred lines or distinct varieties in a controlled, often experimental, context.

No, this would be archaic or poetic at best. Use 'intersect', 'cross', or 'meet' for roads.

The word itself can be used as a noun (e.g., 'an intercross was performed'). The process is called 'intercrossing'.

No. It is a highly specialized scientific term. Even most educated non-scientists will never need to use or encounter it.

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