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single-copy

Syllabification: sin·gle-cop·y
Pronunciation: /ˈsiNGɡəlˌkäpē/

Definition of single-copy in English:

adjective

Genetics
(Of a gene or genetic sequence) present in a genome in only one copy.
Example sentences
  • In each species, we determined DNA sequence variation of five single-copy genes located in chromosomal regions with either high or low recombination rate.
  • The presence of one copy in each of the three homoeologous chromosomes suggests that they were also present as single-copy genes in the common ancestor of the A, B, and D genomes.
  • We have only used provably single-copy genes from completed genomes, and therefore this analysis is different to most other analyses in this respect.

Definition of single-copy in:

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