Heterozygous means that an organism has two different alleles of a gene. For example, pea plants can have red flowers and either be homozygous dominant (red-red), or heterozygous (red-white). If they have white flowers, then they are homozygous recessive (white-white).
Jon Gosselin opened up to Us Weekly about working at TGI Fridays in Lancaster, Pennsylvania, explaining that he took the job because he has a passion for cooking and charity.
WATCH: EXCLUSIVE -- Jon Gosselin Says He Doesn't Know Where His 12-Year-Old Son Collin Is, Claims Kate Won't Tell Him. Although she doesn't refer to her ex-husband by name -- 39-year-old Jon Gosselin -- she does take a not-so-subtle dig at him during the interview.