transgressive
- adjective
- /trænˈɡrɛsɪv/
- Specialized
:
transgresor
- The researchers observed transgressive traits in the offspring that surpassed both parent plants in height.
Examples
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This is why crosses were made between aphid-resistant accessions and high-yielding lines, which resulted in very promising transgressive segregants selected in the F6 generation, showing both these characters as shown in Table 5.
Academic text (2014) -
In the previous investigations, transgressive segregates have also been reported for grain filling duration in F2 of some wheat crosses (Sharma and Sain, 2004).
Academic text (2014) -
Transgressive segregates in F2 for both long and short grain filling duration may occur due to the accumulation of maximum favorable major and minor genes.
Academic text (2014) -
In our study, the additive component was of higher magnitude, and it is concluded that transgressive segregants may be isolated which show lower mean values than parents. Pod Length (cm):
Academic text (2014) -
Some transgressive plants exhibited floral characteristics that were not seen in either parent species.
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In their experiments, the scientists focused on transgressive traits that extended the fruit size beyond what the parent varieties could achieve.
How Extreme
Surface Forms
Morphology
transgressive = transgress (semi-transparent) = transgress + ive
Morphologically transparent as 'transgress' + '-ive', but the biological meaning ('traits exceeding parental range') is a specialized technical extension.
Etymology
Transgressive in biology has the same parts trans- 'across' and -gress 'to step', so a transgressive trait is like 'stepping across' the parents' range. That's why the word means young plants or animals showing features beyond what either parent has.