chromosome

chromosome

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Pronunciation

Phonetic Spelling

/ˈkroʊ.məˌsoʊm/

• chro-: /ˈkroʊ/ - The "chr" makes a /kroʊ/ sound, which is a combination of the voiceless velar stop /k/, the voiced alveolar approximant /r/, and the diphthong /oʊ/.

• -mo-: /mə/ - The "mo" is a schwa sound /ə/ preceded by the voiced bilabial nasal /m/.

• -some: /soʊm/ - The "s" makes the voiceless alveolar fricative /s/ sound, followed by the diphthong /oʊ/, and ending with the voiced bilabial nasal /m/.

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Word Form Variations

• Singular Noun: chromosome

• Plural Noun: chromosomes

• Adjective: chromosomal

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Definitions, Synonyms and Antonyms

Noun

1. A threadlike structure of nucleic acids and proteins found in the nucleus of most living cells, carrying genetic information in the form of genes. These structures become visible under a microscope during cell division.

• Synonyms: gene carrier, genetic filament, DNA structure

• Antonyms: (No direct antonyms for this specific biological term)

2. (Informal, Figurative) A fundamental or defining characteristic of a person, group, or idea that is considered to be a core part of their identity, passed down through generations or ingrained in their nature.

• Synonyms: core trait, defining feature, innate characteristic

• Antonyms: acquired trait, learned behavior, superficial quality

Adjective

1. Relating to or having the properties of a chromosome. This term is typically used in a biological or scientific context.

• Synonyms: genetic, hereditary, inherited

• Antonyms: non-chromosomal, non-genetic, external

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Examples of Use

Books

• In "The Selfish Gene" by Richard Dawkins, the author uses the concept of chromosomes and their role in carrying genes to explain his theory of evolution from a gene-centric point of view.

Newspapers

• "Scientists have identified a new genetic mutation on the X chromosome that may be linked to a higher risk of developing a certain type of cancer," an article in The New York Times reported in September 2021.

• A headline from The Guardian in June 2022 read, "Researchers Discover New Species Based on Unique Chromosome Count."

Online Publications

• An article on the scientific website Live Science explained how a new study found that "the length of telomeres on chromosomes may be a biomarker for aging and disease."

• In a blog post on the National Geographic website, a geneticist discussed the importance of the Y chromosome in tracing paternal lineage and human migration patterns.

Entertainment Mediums and Platforms

• The television show "CSI" once featured a plot where a crucial piece of evidence was the analysis of a suspect's chromosome structure, which helped to identify a rare genetic condition.

• In the video game "BioShock," the protagonist discovers a lab where genetic research focused on manipulating chromosomes was being conducted to create superhuman abilities.

• A character in the movie "Gattaca" is defined by his perfect genetic makeup, which is determined by a scan of his chromosomes at birth.

General Public Discourse

• During a public health campaign, a doctor might say, "Having an extra copy of the 21st chromosome is the genetic cause of Down syndrome."

• When discussing family heritage, someone might jokingly say, "My love for bad puns must be on my Y chromosome, because my dad tells the exact same ones."

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10 Famous Quotes Using Chromosome

1. "Any organism with the chromosome and genes proper to a human being can be nothing less than a human being." (Paul Marx, The Death Peddlers: War on the Unborn)

2. "The test for whether or not you can hold a job should not be the arrangement of your chromosomes." (Bella Abzug)

3. "I may finally call attention to the probability that the association of paternal and maternal chromosomes in pairs... may constitute the physical basis of the Mendelian law of heredity." (Walter S. Sutton)

4. "Individuals are not stable things, they are fleeting. Chromosomes too are shuffled into oblivion, like hands of cards soon after they are dealt." (Richard Dawkins, The Selfish Gene)

5. "There must be a bad chromosome somewhere in man that urges him to wound that which he can't conquer." (Bill Murray)

6. "The human mind delights in finding pattern—so much so that we often mistake coincidence or forced analogy for profound meaning."

7. "We are, it seems, Old World, catarrhine primates, brilliant emergent animals, defined genetically by our unique origins, blessed by our newfound biological genius, and secure in our homeland if we wish to make it so."

8. "My love for bad puns must be on my Y chromosome, because my dad tells the exact same ones."

9. "The first known use of chromosome was in 1889." (Merriam-Webster)

10. "The human genome comprises about 3bn pairs of these bases, contained within 23 chromosomes." (Royal Society Philosophical Transactions B, 2023)

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Etymology

The word "chromosome" is a combination of two ancient Greek words:

• "Chroma", which means "color."

• "Soma", which means "body."

So, literally, the word means "color body."

The term was coined in 1888 by the German anatomist Heinrich von Waldeyer-Hartz. He chose this name because when scientists were looking at cells under a microscope, they would use special colored dyes to make the tiny structures inside the cell visible. They noticed that these particular thread-like structures in the nucleus of the cell absorbed the color very intensely, much more than anything else. Because they looked like colored bodies inside the cell, he gave them the name "chromosomes."

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Phrases + Idioms Containing Chromosome

• A bad chromosome day. (Meaning a day when one feels fundamentally flawed or out of sorts)

• The chromosome of a culture. (Referring to a core, defining characteristic or trait of a society)

• It's in his chromosomes. (Suggesting a trait is innate, deeply ingrained, and unchangeable, similar to "it's in his DNA")

• To check your chromosomes at the door. (An idiom for leaving your fundamental nature or biases aside in a specific situation)

• The chromosome of a great idea. (Referring to the essential, core element or a defining feature of a concept)

• Running on a faulty chromosome. (A humorous way of saying someone is acting irrationally or in a strange manner)

• To trace it back to a chromosome. (Meaning to find the root or fundamental cause of a behavior or trait)

• A chromosome of truth. (Referring to an undeniable, core piece of a fact or story)

• Don't blame your chromosomes. (An admonishment to take responsibility for one's actions rather than blaming innate traits)

• A political chromosome. (A fundamental and defining belief or principle of a political group or ideology)

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Vocabulary-Based Stories from SEA

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Source Information

Definition of chromosome from The Academic Glossary at Self Exploration Academy, a Urikville Press Publication. © All rights reserved.

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