题目内容
What phenomenon describes a genetic trait that is expressed more strongly or earlier in development with each generation（）
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In order to determine if mutations from different organisms that exhibit the same phenotype are allelic, which test would you perform（）
The himalayan allele in rabbits produces dark fur at the extremities of the body—on the nose, ears, and feet. The dark pigment develops, however, only when a rabbit is reared at a temperature of 25°C
Multifactorial traits are influenced by_and___（）
Polydactyly is the condition of having extra fingers or toes. Some polydactylous persons possess extra fingers or toes that are fully functional, whereas others possess only a small tag of extra skin.
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