Genotype, within the context of scientific topics, refers to the specific genetic constitution of an organism, cell, or virus, typically defined as the set of alleles or sequence variants present at one or more loci in its genome. It underlies and constrains the range of possible phenotypes through its interaction with environmental factors and stochastic processes. In research, genotypes are characterized using molecular markers, sequencing, or genotyping arrays to study genetic variation, map traits, infer evolutionary relationships, and model genotype–phenotype associations. Distinct genotypes can be compared to identify causal variants, assess heritability, and understand mechanisms of genetic control in development, physiology, and disease.
Using new genetic markers, fruit breeders can now tell whether grapes will be seedless and self-pollinating even years before vines bear fruit. The approach will save time and resources in the pursuit of creating flavorful ...
Plants & Animals
11 hours ago
0
3
A plant signaling gene has been identified as a promising target for breeding cereal crops to produce a steeper, narrower root system architecture, but with associated yield penalties in barley. University of Queensland Ph.D. ...
Biotechnology
Mar 31, 2026
0
7
For more than 40 years, the Golden State Killer haunted California. A serial rapist and murderer active in the 1970s and '80s, he eluded detectives for decades. By 2018, hope of identifying him was fading, until a woman—curious ...
Biotechnology
Mar 29, 2026
0
87
Why do animals behave differently, and what are the consequences of this? A research team from the Collaborative Research Center NC³ at Bielefeld University and the University of Münster now provides a new explanation: epigenetic ...
Evolution
Mar 25, 2026
0
55
Researchers from Skoltech, the International Maize and Wheat Improvement Center in Mexico, the Research Center for Cereal and Industrial Crops in Italy, and other international organizations have developed new durum wheat ...
Molecular & Computational biology
Mar 19, 2026
0
21
Livestock breeders could soon have more tools to improve the health and quality of their animals, thanks to a recent study that sheds new light on regulatory elements in the sheep genome.
Molecular & Computational biology
Mar 16, 2026
0
13
A team of international scientists, including researchers at the Donald Danforth Plant Science Center, reports a major advance in sorghum genomics: a powerful new resource designed to speed discovery of traits that help crops ...
Molecular & Computational biology
Mar 12, 2026
0
17
A University of Queensland analysis of genetic data from northern Australian cattle has identified key regions of the genome that influence traits like fertility, growth and body condition, sometimes all at the same time. ...
Molecular & Computational biology
Mar 10, 2026
0
9
Few pests eat away at farm profitability as much as soybean cyst nematode (SCN). Causing at least $1.5 billion in yield losses annually, it's soybean's single biggest threat. Unfortunately, soybean's most effective tool, ...
Molecular & Computational biology
Mar 3, 2026
0
9
Cucumber is an economically important crop worldwide, ranking as the third most-produced vegetable after tomatoes and onions. Yet breeding improved varieties—plants that are more resilient, produce better-shaped fruit, or ...
Plants & Animals
Feb 10, 2026
0
21
