Articles > Quizzes & Surveys > Heterozygous definition – quiz Heterozygous definition – quiz Quiz Choose the best answer. 1. What is heterozygous? Having two similar alleles for a trait Having two different alleles for a trait Having identical alleles for a trait 2. Alleles are identical Heterozygous Homozygous 3. A cell with two sets of chromosomes Haploid Diploid 4. Aa is an example of heterozygous allele homozygous allele 5. Which of the following depicts heterozygous alleles? An allelic pair where one dominant and the other is recessive An allelic pair where both are dominant Send Your Results (Optional) Your Name To Email Time is Up!