Principle of Inheritance and VariationMediumBloom L1
Question
Phenotype of an organism is the result of
Options
A.mutations and linkages
B.cytoplasmic effects and nutrition
C.environmental changes and sexual dimrphism
D.genotype and environmental interactions
Solution
(c) [Key Concept: Phenotype — Genotype × Environment] The phenotype of an organism is the result of GENOTYPE × ENVIRONMENT interactions. The genotype provides the genetic blueprint (potential traits), but the actual expressed phenotype depends on how genes interact with the environment (temperature, nutrition, light, etc.). Identical genotypes in different environments can give different phenotypes (phenotypic plasticity). The formula: Phenotype = Genotype + Environment + Genotype×Environment interaction.
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