Multiple Choice
Which of the following traits is Lisa most likely to inherit from her mother, assuming the trait is determined by a single dominant allele?
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20. Quantitative Genetics
Traits and Variance
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In the context of traits and variance, what best describes polygenic inheritance?
A
A single trait is influenced by many genes, often producing continuous variation in the population.
B
A trait is controlled by genes located only on the Y chromosome and therefore appears only in males.
C
Two alleles at one locus are both fully expressed in the heterozygote, producing a blended phenotype.
D
A single gene determines a trait with distinct, discrete phenotypic categories.
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