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Allelic analysis of stripe rust resistance genes on wheat chromosome 2BS

P G Luo1, X Y Hu, Z L Ren

  • 1State Key Laboratory of Plant Breeding and Genetics, Sichuan Agriculture University, Ya'an, Sichuan 625014, China.

Genome
|October 29, 2008
PubMed

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Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
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Chi-square Analysis

The chi-square test is a statistical hypothesis test. It is used to check whether there is a significant difference between an expected value and an observed value. In the context of genetics, it enables us to either accept or reject a hypothesis, based on how much the observed values deviate from the expected values.
The chi-square test was developed by Pearson in 1990.
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