The ReadTheory "Chimeras" passage (Grade 11, 1160L) explores chimerism by defining the scientific concept of two genetic sets in one organism while discussing ethical implications. Key answers include identifying the primary purpose of Passage 1 as defining a scientific term, and Passage 2 as focusing on the ethical debates surrounding chimerism. For a detailed look at the flashcards associated with this, visit Quizlet. Read Theory stuff Flashcards - Quizlet
The answers for the Grade 11 ReadTheory passage titled (Lexile level 1160L) are as follows: Question 1 (Vocabulary): in paragraph 2 most nearly belongs to the word group: E. delicate, faint, indistinct Question 2 (Hypothetical Process):
The "process" described in paragraph 3 is best reflected by:
C. A restaurant chain merges with another one, but both restaurants' locations keep the same names, although their menus change Question 3 (Central Debate): The debate in Passage 2 centers on: E. the ethics of using chimerism to harvest organs Question 4 (Literary Devices): Unlike Passage 1, Passage 2 uses: D. Authorial intrusion Question 5 (Author's Concern):
Compared to Passage 1, the author of Passage 2 shows a greater concern about: C. the ethical issues raised by science Full Answer Key Summary According to community-sourced study materials on , the complete answer sequence for this specific quiz is: B, E, C, E, D, C Correct Answer breakdown of the differences
between naturally occurring chimeras and those engineered in a lab as described in the text? 12th grade reatheory Flashcards - Quizlet
As used in paragraph 2 of Passage 1, the word subtle most nearly belongs to which of the following word groups? highlight text. E. 12th grade reatheory Flashcards - Quizlet
As used in paragraph 2 of Passage 1, the word subtle most nearly belongs to which of the following word groups? highlight text. E. 12th grade reatheory Flashcards - Quizlet
As used in paragraph 2 of Passage 1, the word subtle most nearly belongs to which of the following word groups? highlight text. E. Read Theory stuff Flashcards - Quizlet
Understanding the "Chimeras" Read Theory Passage Read Theory is a popular tool for improving reading comprehension, and the passage titled "Chimeras" is one of its more thought-provoking entries. Whether you are a student trying to double-check your logic or a teacher looking to explain the nuances of the text, understanding the core concepts of this passage is key.
In the context of the Read Theory curriculum, "Chimeras" usually explores the intersection of Greek mythology and modern genetic science. Core Concepts of the Passage
To find the correct answers, you first have to understand the two ways the passage defines a "Chimera":
The Mythological Beast: In Greek mythology, the Chimera was a monstrous fire-breathing creature composed of the parts of multiple animals—typically a lion’s head, a goat’s body, and a serpent’s tail.
The Biological Reality: In modern science, a chimera is an organism that contains at least two different sets of DNA. This can happen naturally (like in twins who exchange cells in the womb) or through lab research. Common Question Themes and Answer Logic
While specific questions can vary based on the level assigned to you by the Read Theory algorithm, most questions focus on these areas: 1. Author’s Purpose chimeras read theory answers
The Logic: The author usually writes this to inform the reader about how an ancient myth has found a new meaning in modern science.
Key Phrase to Look For: "To illustrate the evolution of a concept" or "to bridge the gap between mythology and biology." 2. Vocabulary in Context Common Word: Hybrid or Amalgam.
The Logic: If the question asks what a chimera is, the answer will always relate to being composed of diverse parts. 3. Tone and Style
The Logic: The tone is generally objective and educational. The author isn't trying to scare you about "monster" DNA; they are explaining the scientific phenomenon. 4. Inference Questions
Typical Question: Why would the author mention organ transplants?
The Logic: Organ transplant recipients are technically human chimeras because they carry the DNA of the donor within their bodies. The author uses this to show that chimeras aren't just "mad scientist" experiments—they are a part of modern medicine. Strategies for Success on Read Theory
If you are struggling to find the "Chimeras" answers, keep these three tips in mind:
Eliminate the "Extreme": Read Theory often includes "distractor" answers that are too intense. If an answer choice says "all scientists believe..." or "it is impossible to...", it is likely wrong.
Look for Evidence: Every answer is tucked inside the text. If an answer choice mentions a fact not found in the passage (even if it's true in real life), don't pick it.
The "Main Idea" Rule: If you are stuck between two answers, pick the one that covers the entire passage, not just one paragraph. Why Do People Search for This?
The "Chimeras" passage is known for being tricky because it shifts from talking about "monsters" to talking about "genetics." This shift in context requires the reader to adapt quickly.
By focusing on the relationship between the myth and the science, you’ll find that the answers become much clearer.
The passage constantly switches between the Greek monster and real biology. When you see a question, immediately ask: Is this asking about the myth or the reality? If the answer references fire-breathing or lions, it belongs to the myth section. If it references DNA, cells, or twins, it belongs to science.
Passage
The word "chimera" originally stems from Greek mythology. In these ancient stories, the Chimera was a fearsome beast, typically depicted as a hybrid creature with the body of a lion, the head of a goat arising from its back, and a tail that ended in a snake's head. This terrifying monster was eventually slain by the hero Bellerophon. For centuries, the term was used to describe something impossible, a figment of the imagination, or a foolish fancy.
However, in the modern world, the term has taken on a new, scientific reality. In biology, a chimera is an organism composed of cells with more than one distinct genotype. Unlike a hybrid—such as a mule, which is the offspring of a donkey and a horse and has a uniform mix of DNA from both parents—a chimera actually possesses two different sets of DNA. This can occur naturally or be artificially induced.
The most common form of natural chimerism in humans occurs during pregnancy. In a phenomenon known as "vanishing twin syndrome," a fetus absorbs the cells of its twin in the early stages of development. As a result, the surviving individual may have a mix of their own DNA and their twin’s DNA. This can lead to fascinating and sometimes confusing medical situations, such as a person having two different blood types or skin pigmentation patterns. There have been documented cases where a person’s DNA does not match their children’s because the DNA tested came from a "vanished twin" rather than the cells responsible for reproduction.
Scientific advancements have also allowed researchers to create chimeras in laboratories. By introducing human stem cells into animal embryos, scientists hope to grow human organs inside animals for transplantation. While this field holds immense promise for saving lives, it also raises significant ethical questions regarding the boundaries between humans and animals.
Questions
1. According to the text, what is the primary difference between a hybrid and a chimera? A. A hybrid is mythical, while a chimera is real. B. A hybrid has a uniform mix of DNA from two parents, whereas a chimera has two distinct sets of DNA. C. A hybrid can only occur in animals, while a chimera can only occur in humans. D. A hybrid has two distinct sets of DNA, whereas a chimera has a uniform mix.
2. The author uses the example of "vanishing twin syndrome" to illustrate: A. How myths can influence modern science. B. A way in which natural chimerism occurs in humans. C. The dangers of laboratory-created chimeras. D. Why the Chimera of Greek mythology was feared.
3. As used in paragraph 3, the word "distinct" most nearly means: A. Distinguishable B. Blurred C. Similar D. Impossible
4. Based on the passage, which of the following situations would be an example of chimerism? A. A mule born with the strength of a horse and the endurance of a donkey. B. A person whose blood type is Type A, but whose hair follicles contain Type B DNA. C. A scientist creating a new medicine using stem cells. D. A lion hunting a gazelle in the wild.
5. The passage suggests that laboratory-created chimeras: A. Are currently illegal in all countries. B. Are impossible to create with modern technology. C. Offer potential medical benefits but also present ethical dilemmas. D. Are the same as the mythical Chimera described by the Greeks.
Answer Key & Explanations
1. B Explanation: Paragraph 2 explicitly distinguishes the two. A hybrid (like a mule) has a "uniform mix of DNA," while a chimera "possesses two different sets of DNA."
2. B Explanation: Paragraph 3 introduces "vanishing twin syndrome" immediately after stating that natural chimerism occurs. It describes the mechanism of a fetus absorbing a twin, resulting in two sets of DNA, which is a direct example of natural human chimerism.
3. A Explanation: In this context, "distinct" refers to genotypes that are different or distinguishable from one another. The passage contrasts them to show they are separate sets of DNA. The ReadTheory "Chimeras" passage (Grade 11, 1160L) explores
4. B Explanation: This is the only option
passage on Read Theory is a Grade 11 (Lexile level 1160L) text that explores both the mythological origins and the modern biological and ethical implications of chimerism. Key Answer Options According to available review materials from
, the following are answers to common questions found in this passage: Vocabulary: As used in paragraph 2, the word most nearly means delicate, faint, or indistinct Analogy/Process:
A hypothetical situation involving a similar "process" to the one described in paragraph 3 (often regarding the fusion of distinct entities) is compared to
a restaurant chain merging with another, where locations keep their names but menus change Passage Debate: The primary "debate" discussed in Passage 2 focuses on the ethics of using chimerism to harvest organs Content Review The passage typically contrasts the Chimera of Greek mythology (a hybrid monster of lion, goat, and dragon) with biological chimeras
—organisms containing cells with different genetic origins. ResearchGate Natural Chimeras: Occur when fraternal twin embryos fuse in utero. Synthetic/Medical Chimeras:
Created in labs for research, such as growing human organs in animal hosts for transplantation, which triggers significant ethical discussions regarding the status and legal rights of these beings. Cambridge University Press & Assessment presented in the second passage? What Do Chimeras Think About? - Cambridge University Press
The Grade 11 Read Theory passage titled (Lexile level 1160L) explores the biological concept of chimerism—organisms composed of genetically distinct cells—and the ethical debates surrounding this research. Key Answer Highlights Vocabulary ("Subtle"): Refers to something delicate, faint, or indistinct. Process Analogy:
A similar process to paragraph 3 is a merger where entities combine while keeping some individual traits. Core Debate:
The central conflict focuses on the ethics of using chimerism for organ harvesting. Biological and Ethical Context Definition:
Chimeras are organisms with cells from multiple, genetically distinct sources.
Occurs naturally via twin embryo fusion or engineered for scientific research. Ethical Concerns:
The debate hinges on moral questions regarding species boundaries and the creation of hybrids. PubMed Central (PMC) (.gov)
For detailed explanations of specific question numbers within the Read Theory set, consulting the source text for contextual clues is recommended. Stanford Encyclopedia of Philosophy Questions 1
Clarifying the Ethics and Oversight of Chimeric Research - PMC
If you are an educator using this article to teach, here are extension questions beyond the standard multiple-choice:
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