multiple-factor
multiple-factor — noun
1. a gene that acts together with several others at different points in the genome
a gene that acts together with several others at different points in the genome to shape an inherited feature such as height, skin colour, or seed size
In the lecture, Professor Chen described each multiple-factor as one small genetic influence.
describe a multiple-factor in a teaching context
Rina labelled the multiple-factor on the chart before discussing eye-colour inheritance.
label a multiple-factor on a genetics chart
Breeders look for a multiple-factor when a trait changes by degree, not type.
The textbook says each multiple-factor adds a small effect to plant height.
During the seminar, Yumi compared a multiple-factor with a single-gene mutation.
- polygene
technical near-equivalent and often the more common modern label
- contributing gene
broader and less exact; it does not specifically imply a quantitative trait
- major gene
often used for a gene with a much larger single effect on a trait
文法句型
a multiple-factor
multiple-factors affecting a trait
用法筆記
Usually appears in specialist discussions of inheritance, especially when many genes contribute small effects to one measurable trait. Modern sources often prefer polygene.