13. Mendelian Genetics
Non-Mendelian Genetics
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- Multiple Choice
Which of the following phenotypes is an example of polygenic inheritance?
2527views15rank1comments - Multiple Choice
A pleiotropic genetic disorder typically has what characteristics?
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Hydrangea plants of the same genotype are planted in a large flower garden. Some of the plants produce blue flowers and others pink flowers. This can be best explained by which of the following?
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A phenotype is controlled by gene A and gene B. Gene B controls the expression of gene A. This is an example of _____.
1963views16rank - Textbook Question
Is a round yellow pea seed (genotype RrYy) an example of polygenic inheritance? Why or why not?
1073views - Textbook QuestionWhat factors cause quantitative variation in a trait within a population?1045views
- Textbook Question
A quantitative trait ________.
a. May be one that is strongly influenced by the environment
b. Varies continuously in a population
c. May be influenced by many genes
d. Is not either off or on
e. All of the above
1233views - Textbook Question
When graphing the phenotypes of a trait controlled by many genes and the environment, the line showing the frequency of each phenotype resembles ________.
a. A horizontal, straight line
b. A vertical, straight line
c. The letter T
d. A bell shape
e. A circle
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