Compound heterozygote(复合杂合子) An individual, or a genotype, with two different mutant alleles at the same locus · Compound heterozygote≠ homozygote≠ Double heterozygote• Compound heterozygote（复合杂合子）： An individual, or a genotype, with two different mutant alleles at the same locus • Compound heterozygote ≠ homozygote ≠ Double heterozygote