Phenotype of an organism is the result of

• A) Mutation and linkage
• B) Genotype and environmental interactions
• C) Cytoplasmic effects and nutrition
• D) Environmental changes and sexual dimorphism

The phenotype of an organism refers to its observable traits, which are influenced by various factors. The correct answer to your question is:

Genotype and Environmental Interactions

Option B, "Genotype and environmental interactions," is the most accurate choice. Here's why:

• Genotype: This is the genetic makeup of an organism, which provides the blueprint for its traits.
• Environmental Interactions: The environment can significantly affect how these genetic traits are expressed, leading to variations in phenotype.

In summary, both genetic factors and environmental influences work together to shape the phenotype of an organism.