If fertilization involves two gametes that contain different alleles of a given gene, the resulting offspring is 23:46 Patterns Of Inheritance If fertilization involves two gametes that contain different alleles of a given gene, the resulting offspring is a. dihybrid b. haploid c. heterozygous d. homozygous e. polygenic Answer: c. heterozygous Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+