6 Questions
What is the main characteristic of polygenic inheritance?
Multiple genes have an additive effect on a single trait
What is the effect of a single polygene on the phenotype?
It has a slight and cumulative effect
What is the relationship between alleles in polygenic inheritance?
There is no dominance, and alleles have a cumulative effect
What is the pattern of variation in polygenic inheritance?
Continuous with a normal distribution
Which of the following is an example of polygenic inheritance?
Skin pigmentation
How many genes are responsible for the phenotype of height?
Around 400 genes
Learn about polygenic inheritance, a type of quantitative inheritance where multiple genes have an additive effect on a single trait. Understand the characteristics of polygenes and how they affect phenotypes.
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