Dominant vs Recessive. The words dominant and recessive are encountered in the study of biology, particularly physical traits in the study of genetics. For every physical trait, you receive two copies of the gene, one from your father, and the other from your mother.
â Dil Pickles. Dylan Prescott Dil Pickles is the younger brother (by one year) of Tommy Pickles, younger son of Stu and Didi, and younger cousin of Angelica Pickles on the Nickelodeon shows Rugrats and All Grown Up!. Named after Didi's cousin, Dylan Dil Prescott, he was born in The Rugrats Movie (released November 20, 1998).
Sheldonâs twin sister is Missy Cooper. And, she is the direct opposite of her brother. She appears only in the Season 1 episode, The Porkchop Indeterminacy. But after that she was mentioned in a couple of episodes but she is not seen anymore. In S07E11 (The Cooper Extraction), Missy gives birth to a boy in Texas.