9 Questions
What is the genetic basis of style length difference in distyly flowers?
Single gene 's' with two alleles, S and s
In the Primula plant, which flower morphology results in self-incompatibility?
Difference in the length of styles
Which allele is dominant in the Pin (ss) flowers in distyly?
Allele S
What is the phenotype of Thrum flowers in distyly?
Long style and short stamens
Which type of inheritance pattern is observed for style length in distyly?
Dominant-recessive
What is the term used for two types of style lengths present in distyly flowers?
'Morphs'
Which flower trait differences lead to self-incompatibility in Heteromorphic System of SI?
Difference in style and stamen length
'Brevistylous' flowers are characterized by:
Short styles and long stamens
'Thrum' flowers are associated with:
"Pin" flowers
Test your knowledge on tristylous plants with this quiz. Learn about the different flower morphs, positions of anthers and styles, and characteristics of each morph.
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