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Elizabeth was a binary clone created from the DNA of T'Pol, a Vulcan female, and Commander Charles Tucker III, a Human male, both of whom served aboard the starship Enterprise NX-01. She was created by the xenophobic extremist group Terra Prime, with the intent of using her as a rallying point for their anti-alien views. She was named after Elizabeth Tucker, Commander Tucker's sister who died in the Xindi attack in 2153.

Elizabeth's existence was first discovered in January 2155, when former Terra Prime member Susan Khouri gave her life to deliver a vial of Elizabeth's hair to T'Pol. Running a genetic analysis, Doctor Phlox discovered that the hair belonged to an infant female who was the offspring of Tucker and T'Pol. John Frederick Paxton, Terra Prime's leader, used Elizabeth as an example of the genetic pollution that could occur if Humans and aliens continued to coexist. He then threatened to destroy Starfleet Command with the verteron array on Mars unless every alien left the solar system. Ultimately, Paxton's plot was foiled by the crew of Enterprise, and Elizabeth was rescued. Sadly, Elizabeth died soon afterward, due to a fever and an elevated white blood cell count. Elizabeth's importance as the first known alien-Human hybrid was so great that, following her death, the delegates from the conference for the Coalition of Planets asked to attend the child's funeral services.

Although it was initially believed that the infant died due to the fundamental incompatibility of Human and Vulcan genes, Phlox later discovered that Elizabeth had died due to a flaw in the cloning procedure used to create her, and that there was no reason why a Human and a Vulcan could not have a child. (ENT: "Demons", "Terra Prime")

Quick Answers

What was the purpose of creating Elizabeth Tucker? toggle section
Elizabeth Tucker was created by the xenophobic group Terra Prime as a symbol for their anti-alien agenda. She was the child of T'Pol, a Vulcan, and Charles Tucker III, a Human, both serving on the starship Enterprise NX-01. Elizabeth was named after Tucker's sister, who died in the Xindi attack of 2153. Her existence was revealed in January 2155 when Susan Khouri, a former Terra Prime member, delivered a vial containing her genetic material.
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How are T'Pol and Trip connected to Elizabeth? toggle section
T'Pol and Trip are connected to Elizabeth through their DNA. In 2155, Terra Prime used their genetic material to create a child named Elizabeth. This event demonstrated the possibility of a Human-Vulcan child. Sadly, Elizabeth's death resulted from a flawed cloning process, but it was later confirmed that a natural Human-Vulcan child could be possible.
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What is the significance of Elizabeth in 'Enterprise'? toggle section
Elizabeth Tucker, known as "Lizzie," was Trip Tucker's sister in 'Enterprise.' She was an architect and traveled often for her projects. Her character is significant in Trip's backstory, showcasing his family connections and personal history. Elizabeth's presence is noted in a dream sequence, reflecting her impact on Trip's life.
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What role did Terra Prime play in Elizabeth's creation? toggle section
Terra Prime was instrumental in creating Elizabeth, a genetically engineered child of T'Pol and Charles Tucker III. The group aimed to use her as a symbol against Human and alien integration. Her existence was uncovered in January 2155 when Susan Khouri delivered a vial of her hair to T'Pol. Doctor Phlox confirmed her genetic lineage. Terra Prime's leader, John Frederick Paxton, highlighted Elizabeth as an example of 'genetic pollution.' Sadly, due to genetic engineering flaws, Elizabeth's health failed, leading to her death after her rescue by Tucker and Archer.
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Appendices[]

Background information[]

Baby Elizabeth was "played" by two infants (twins) named Grace and Riley Norris.

This character was invented to live or die based on whether a fifth season of Star Trek: Enterprise was given the go-ahead or not. While the episode "Terra Prime" was in development, Manny Coto had the idea that, if another season was indeed approved, the baby would live, but if the series was canceled, the child would die. The writers hoped the baby would live, as they expected it would make for "a great storyline." However, the death of Baby Elizabeth echoes the fact that Enterprise was canceled at the end of its fourth season. ("Before Her Time: Decommissioning Enterprise, Part Three: Final Approach", ENT Season 4 Blu-ray special features)

Apocrypha[]

In the novel The Good That Men Do, Elizabeth's full name is given as "Elizabeth T'Les Tucker". The book also depicts Tucker and T'Pol burying her on Vulcan near her Vulcan grandmother's grave.

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