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相关概念视频

Genome-wide Association Studies-GWAS01:11

Genome-wide Association Studies-GWAS

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Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
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Incomplete Dominance01:43

Incomplete Dominance

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Gregor Mendel's work (1822 - 1884) was primarily focused on pea plants. Through his initial experiments, he determined that every gene in a diploid cell has two variants called alleles inherited from each parent. He suggested that amongst these two alleles, one allele is dominant in character and the other recessive. The combination of alleles determines the phenotype of a gene in an organism.
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在美国霍尔斯坦牛的定量特征的大型样本基因组数据挖掘.

Yang Da1, Dzianis Prakapenka1, Zuoxiang Liang1

  • 1Department of Animal Science, University of Minnesota, Saint Paul, USA.

Journal of data mining in genomics & proteomics
|July 8, 2024
PubMed
概括

来自美国霍尔斯坦牛的大规模基因组数据揭示了影响乳制品特征的遗传变异. 发现包括染色体相互作用影响脂肪百分比和子杀的特定基因型,展示了基因组采矿能力.

科学领域:

  • 动物基因组学 动物基因组学
  • 量化遗传学 量化遗传学
  • 乳制品科学 乳制品科学

背景情况:

  • 美国霍尔斯坦牛拥有大量用于基因组评估的数据集,包括单核酸多态 (SNP) 基因型和乳制品定量特征表型.
  • 这些广泛的样本提供了显著的机会来识别影响荷尔斯坦牛经济重要特征的遗传变异和机制.

研究的目的:

  • 利用荷尔斯坦牛的大规模基因组数据,发现影响定量特征的遗传变异和潜在机制.
  • 分析专注于脂肪百分比和生殖特征的具体研究,以证明大样本基因组采矿的实用性.

主要方法:

  • 基因组评估使用大样本大小的荷尔斯坦牛.
  • 分析单核酸多态 (SNP) 标记基因型和表型观测.
  • 调查遗传关联的特征,如脂肪百分比和生殖性能.

主要成果:

  • 一项关于脂肪百分比的研究确定了与所有其他染色体相互作用的染色体区域.
  • 两项关于生殖特征的研究发现了与负面结果强烈相关的特定同卵性衰退基因型,建议用于母牛杀.
  • 证明了大样本基因组数据挖掘的有效性,以揭示新的遗传见解.

结论:

关键词:
这是一种表现力.基因组评估的基因组评估单个核酸的多态性.

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  • 对荷尔斯坦牛的大规模基因组数据分析对于发现影响定量特征的遗传变异和机制具有强大作用.
  • 特定的遗传发现,如染色体相互作用和有害的基因型,对乳牛养殖和管理有实际影响.
  • 用广泛的数据集进行基因组挖掘是推进牲畜定量特征遗传学的关键策略.