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词汇 position effect
释义

Definition of position effect in English:

position effect

noun
Genetics
  • An effect on the phenotypic expression of a gene produced by a difference in its chromosomal position with respect to other genes (especially mutant genes), or to non-coding heterochromatin.

Origin

1930s; earliest use found in Journal of Genetics.

Definition of position effect in US English:

position effect

noun
Genetics
  • An effect on the phenotypic expression of a gene produced by a difference in its chromosomal position with respect to other genes (especially mutant genes), or to non-coding heterochromatin.

Origin

1930s; earliest use found in Journal of Genetics.

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