Question

Sum total of genes in a population is

• A. Genotype
• B. Karyotype
• C. Genetic constitution
• D. Gene pool

Answer 1

The correct option is D Gene pool

• The sum total of all the versions of all of the genes in a species is called the gene pool of the species.
  
• Genotype is an individual's collection of genes.
  
• A karyotype is the number and appearance of chromosomes in the nucleus of an eukaryotic cell.
  

So, the correct answer is 'Gene pool'