多基因病分子遗传学.pptx

文档介绍：PolygenicDisorders
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Polygenic Disorders:
由两对以上等位基因和环境因素共同作用所致的疾病，称为多基因病。
Polygenic Disorders are those页。
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2. Hybridization of F1 of intermediate type
3. Random hybridization
1. Hybridization of two extreme variant (Homozygote)
Characteristics of
Polygenic Inheritance
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Section 2
Polygenic Disorders
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一、Liability and
Threshold Theory
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Susceptibility: characterize the genetic factors that affect the probability of multifactorial disorder.
在多基因遗传病中，由遗传基础决定一个个体患
病的风险称为易感性。