Claim · model-written summary
Primitive varieties had higher chiasma frequency.
Zea maysNot reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“primitive varieties show a higher chiasma frequency”
t0“maize”
Title
Genetic differentiation of two Himalayan varieties of maize
Deepak Gupta; H. K. Jain Indian Journal of Genetics and Plant Breeding (The) 1973
Other claims from this paper (8)
- Observation Sikkim varieties differ from evolved types in several characters.
- Observation Reciprocal crosses differed significantly, indicating cytoplasmic differentiation.
- Observation Some hybrids showed heterosis for chiasma frequency.
- Observation Hybrids showed heterosis for quantitative characters.
- Observation Sikkim varieties had smaller chromosomes.
- Observation Sikkim varieties had distinctive chromosome knob patterns.
- Observation Sikkim varieties had a longer nuclear cycle, suggesting greater chromosomal DNA content.
- Observation Himalayan varieties were more differentiated from commercial types than Mexican primitive varieties.