chromosomes - Master This Word
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chromosomes Word Meanings
- a threadlike structure of nucleic acids and proteins found in the nucleus of eukaryotic cells
- a structure that carries genetic information
- a physical representation of heredity
chromosomes Example Sentences
Example sentences are the start of understanding. Don't rush to memorize. First feel how the word works in a sentence.
chromosomes Phonetic & Pronunciation
UK
/ˈkrəʊməˌsəʊm/
US
/ˈkroʊməˌsoʊm/
chromosomes Word Etymology
From 'chromo-' (color) + 'soma' (body), indicating a colored body in the cell nucleus. Originating from Greek, through Latin to English. Visualize chromosomes as vibrant colored threads weaving through the nucleus, representing the essence of life.
Note 1: These definitions and etymologies are not standard dictionary definitions, but extended explanations provided to help with memorization and understanding of the actual application of words. Through this background information, we strive to make words more vivid and easier to understand, and help you remember their meanings in real life.
Note 2: LexiTalk designs the learning flow around the linguistics principle of “Comprehensible Input.” When learners encounter material that is slightly above their level but still understandable from context, the brain naturally absorbs the language. That’s why we keep every word inside authentic contexts, using examples and associations to help you understand it and use it flexibly.
Read the FAQ explanation of Comprehensible InputReal Context
A chromosome is a threadlike structure of nucleic acids and proteins found in the nucleus of eukaryotic cells. It carries genetic information and represents heredity in a physical form. Humans have 23 pairs of chromosomes that organize DNA into genes and regulate development and inherited traits. The term comes from Greek roots meaning color and body, a nod to colored images historically used to visualize chromosomes under the microscope. In modern biology, chromosomes are dynamic DNA-protein complexes that condense and decondense during the cell cycle, linking structure to function in every cell.
Usage Reminders
- Remember the singular vs plural: chromosome vs chromosomes
- Link chromosome with its role in inheritance
- Keep the etymology in mind (color + body)
- Differentiate chromosome from gene and genome
- Use 'a chromosome' in general statements, 'the chromosomes' when specifying
- Practice with common examples like X chromosome and autosomes
Common Misconceptions
- A chromosome is the same thing as a gene
- Chromosomes are always visible in every cell and do not change during the cell cycle
- Humans have exactly 46 chromosomes in all cells
- DNA and chromosomes are completely separate concepts with no overlap
- Chromosome images are fixed colors, not dynamic structures
Thinking Differences
In English, chromosome is used as both a countable unit and a broad concept; learners often mix it with gene or genome or overemphasize the colored-thread image.
Learning Tips
- Memorize the spelling and pronunciation
- Link chromosome to its role in heredity
- Differentiate from gene and genome
- Practice singular vs plural (chromosome vs chromosomes)
- Visualize as a DNA-protein complex during the cell cycle
- Use example terms like X chromosome and autosomes
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