alleryStart learning →An organism's phenotype is which of the following?
AThe chromosomes it passes to its gametes
BThe number of alleles held at each locus
CThe observable traits that it expresses
DThe set of alleles it received from one parent
Answer & Solution
Correct answer: C. The observable traits that it expresses
1. Two alleles for a gene interact to produce physical characteristics.
2. The observable traits an organism expresses are its phenotype.
3. The underlying allele makeup, including hidden alleles, is the genotype instead.
4. Chromosomes carried in gametes describe inheritance, not the visible traits.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 12 "Mendel's Experiments and Heredity", section 12.2 Characteristics and Traits_
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