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Updated: Jul 28, 2025

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通过花生 (Arachis hypogaea L.) 中的表型重组BSA/BSR同时绘制与两个植物架构特征相关的位点

Xiaona Yu1, Yaoyao Li1, Xinyuan Cui1

  • 1Dry Farming Technology Key Laboratory of Shandong Province/College of Agronomy, Qingdao Agricultural University, Qingdao, 266109, Shandong Province, People's Republic of China.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik
|May 30, 2023
PubMed
概括

一种新的方法,表型重组BSA/BSR (PR-BSA/BSR),同时确定两个花生特征的基因组区域. 这种方法准确地绘制了横向枝角和分离种群中的花枝图案的位置.

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Dihybrid Crosses01:18

Dihybrid Crosses

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Trihybrid Crosses02:27

Trihybrid Crosses

Trihybrid Crosses
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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Monohybrid Crosses

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Light Acquisition02:16

Light Acquisition

In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
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Law of Segregation01:49

Law of Segregation

When crossing pea plants, Mendel noticed that one of the parental traits would sometimes disappear in the first generation of offspring, called the F1 generation, and could reappear in the next generation (F2). He concluded that one of the traits must be dominant over the other, thereby causing masking of one trait in the F1 generation. When he crossed the F1 plants, he found that 75% of the offspring in the F2 generation had the dominant phenotype, while 25% had the recessive phenotype.
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While Mendel’s Law of Segregation states that the two alleles for one gene are separated into different gametes, a different question of how different genes are inherited remains. For example, is the gene for tall plants inherited with the gene for green peas? Mendel asked this question by experimenting with a dihybrid cross; a cross in which both parents are homozygous for two distinct traits resulting in an F1 generation that are heterozygous for both traits.
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