cistron

[ sis-tron ]

noun

, Genetics.

1. a segment of DNA that encodes for the formation of a specific polypeptide chain; a structural gene.

cistron

/ ˈsɪstrən /

noun

1. genetics the section of a chromosome that encodes a single polypeptide chain

cistron

/ sĭs′trŏn′ /

1. A section of DNA that contains the genetic code for a single polypeptide and functions as a hereditary unit.

Other Words From

• cis·tronic adjective

Word History and Origins

Origin of cistron¹

First recorded in 1955–60; cis- + tr(ans)- + -on ¹

Word History and Origins

Origin of cistron¹

C20: from cis-trans; see cis-trans test

Example Sentences

Cistron paid $11.60, $6.20 and $4.20.

From Los Angeles Times

In the main feature, the Grade 1 $300,000 Bing Crosby, for sprinters going six furlongs with a free pass to the Breeders’ Cup Sprint, was won by Cistron under a perfectly rated ride by Victor Espinoza.

From Los Angeles Times

Cistron get second-favorite honors at 5-2.

From Los Angeles Times

In what was likely considered the feature, the Grade 2 $200,000 Triple Bend for older horses going seven furlongs, Air Strike made a serious late rush, going from seventh to win by a head over Cistron.

From Los Angeles Times

Cistron was second and Nero finished third.

From Los Angeles Times