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ANSC 4395 Exam 3 With 100% Correct And Verified Answers
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ANSC 4395 Exam 3 With 100% Correct And Verified Answers
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ANSC 4395 Exam 3 With 100% CorrectAnd Verified Answers
Simply-Inherited Traits - Correct Answer-- traits affected by only a few
genes
- qualitative or categorical
- rarely quantitative
- typically not affected by the environment
Polygenic Traits - Correct Answer-- affected by many genes with no gene
having an overriding influence
- typically quantitative or continuous in expression
- greatly influenced by the environment
Threshold Traits - Correct Answer-polygenic traits that have categorical
phenotypes
Which are more important? - Correct Answer-- typically, polygenic traits
- traits that determine productivity & profitability
Test Matings - Correct Answer-- matings designed to reveal the genotype
of an individual for a small number of loci
- simply-inherited traits
3 general types of test matings to determine if an individual is
heterozygous: - Correct Answer-1) mating to recessives
2) mating to heterozygots
3) mating a sire to his daughters
the method with the highest probability of detection: - Correct Answer-
mating to recessives
Quantitative - Correct Answer-- measured on a numerical scale
- under the influence of many genes and the environment
- express a continuous distribution from one extreme to the other
- no discreet phenotypic classes like qualitative traits
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