The genetic constitution of an organism is called: (RJ AARO Botany 2014)

✅Explanation : Genotype refers to the specific genetic makeup of an organism, represented by the combination of alleles it possesses for various genes. It's the underlying genetic blueprint that influences an organism's traits.

📌Other Options Explanations:
-Option B: Trait: A trait is a specific characteristic or feature of an organism, which is influenced by both genotype and environment.
-Option C: Phenotype: Phenotype is the observable physical or biochemical expression of the genotype, influenced by both genes and environmental factors.
-Option D: Genome: The genome is the complete set of genetic material present in an organism, including all of its genes and non-coding DNA.

🔑Key Points:
-Fluorescence in situ hybridization (FISH) is a laboratory technique used to detect and locate a specific DNA sequence on a chromosome.