Crossing Over

Part of Speech

Noun

Pronunciation

IPA: /ˈkrɔː.sɪŋ ˈoʊ.vɚ/ (American), /ˈkrɒs.ɪŋ ˈəʊ.və/ (British)

Definitions

1. In genetics, the exchange of genetic material between homologous chromosomes during meiosis, leading to genetic variation.
2. A transition from one state or condition to another, often used metaphorically (e.g., "crossing over to the other side" in spiritual contexts).
3. In music or entertainment, the blending or transition between different genres or audiences.

Usage Examples

• During meiosis, crossing over increases genetic diversity in offspring.
• Many believe that crossing over to the afterlife is a peaceful journey.
• The artist successfully executed a crossing over from jazz to pop music.

Etymology

Derived from "cross" (Old English "cros") and "over" (Old English "ofer"), the phrase has evolved to describe both biological and metaphorical transitions.

Synonyms

• Genetic recombination
• Transition
• Metamorphosis
• Evolution

Antonyms

• Stagnation
• Fixity
• Unchanging state

Translations

Regional Pronunciation Variations

• British English: /ˈkrɒs.ɪŋ ˈəʊ.və/
• American English: /ˈkrɔː.sɪŋ ˈoʊ.vɚ/
• Australian English: /ˈkrɒs.ɪŋ ˈəʊ.və/

Historical Usage

The concept of crossing over in genetics was first described by Thomas Hunt Morgan in the early 20th century. The metaphorical usage of "crossing over" has been common in spiritual and artistic contexts for centuries.

Cultural Nuances

In many cultures, "crossing over" is used in discussions about life and death, particularly in spiritual traditions. In music, a "crossover" artist is one who successfully transitions between genres.

More Information

In genetics, crossing over ensures variation in populations, making it a key mechanism of evolution. Outside science, the term is widely used in literature, entertainment, and metaphysical discussions.