B2 noun ニュートラル

gene

/dʒiːn/

A gene is a basic unit of heredity in a living organism that carries information from one generation to the next. It consists of a specific sequence of DNA that determines particular characteristics or traits, such as eye color or height.

例文

3 / 5
1

I think I inherited the 'early riser' gene from my mother.

I believe I received the hereditary trait for waking up early from my mother.

2

The scientists have successfully mapped the specific gene associated with this rare disorder.

Researchers have identified the DNA sequence linked to this uncommon medical condition.

3

Athleticism is definitely in his genes; both his parents were Olympians.

Physical talent is a natural part of his biological makeup because his parents were elite athletes.

語族

名詞
gene
副詞
genetically
形容詞
genetic
関連
genetics
💡

覚え方のコツ

Remember that Gene starts with G like 'Generation'—it is what you pass down to the next generation.

クイックテスト

Scientists are trying to determine which ____ is responsible for the plant's resistance to cold weather.

正解!

正解は: gene

例文

1

I think I inherited the 'early riser' gene from my mother.

everyday

I believe I received the hereditary trait for waking up early from my mother.

2

The scientists have successfully mapped the specific gene associated with this rare disorder.

formal

Researchers have identified the DNA sequence linked to this uncommon medical condition.

3

Athleticism is definitely in his genes; both his parents were Olympians.

informal

Physical talent is a natural part of his biological makeup because his parents were elite athletes.

4

Expression of this particular gene is regulated by environmental factors during early development.

academic

The way this specific hereditary unit functions is controlled by the environment during the initial stages of growth.

5

The pharmaceutical firm is patenting a new gene-editing technique to treat chronic illnesses.

business

The drug company is legally protecting a method for modifying DNA sequences to cure long-term diseases.

語族

名詞
gene
副詞
genetically
形容詞
genetic
関連
genetics

よく使う組み合わせ

recessive gene a gene that is only expressed when two copies are present
dominant gene a gene that expresses its trait even if only one copy is present
gene therapy medical treatment involving the alteration of a patient's DNA
gene pool the stock of different genes in an interbreeding population
defective gene a gene that does not function correctly and may cause disease

よく使うフレーズ

it's in the genes

used to say a trait or ability is natural or inherited

jump the gene pool

to deviate significantly from family traits (humorous/slang)

gene editing

the process of making precise changes to DNA

よく混同される語

gene vs jeans

Jeans are denim trousers, whereas genes are units of heredity; they are homophones.

gene vs genus

A genus is a rank in biological classification above species, while a gene is a molecular unit of DNA.

📝

使い方のコツ

The word 'gene' is often used metaphorically in daily life to describe personality traits, but in scientific contexts, it refers strictly to the biological instructions for building proteins.

⚠️

よくある間違い

Learners often use 'genetics' (the field of study) when they actually mean 'gene' (the physical unit). For example, saying 'I have a good genetics' instead of 'I have good genes'.

💡

覚え方のコツ

Remember that Gene starts with G like 'Generation'—it is what you pass down to the next generation.

📖

語源

Coined in 1909 by Danish botanist Wilhelm Johannsen from the Greek word 'genos' meaning 'birth' or 'origin'.

文法パターン

countable noun plural: genes often used as a noun adjunct (e.g., gene sequencing)
🌍

文化的な背景

The concept of 'genes' is central to the Western 'nature versus nurture' debate regarding how much of human behavior is biological.

クイックテスト

Scientists are trying to determine which ____ is responsible for the plant's resistance to cold weather.

正解!

正解は: gene

関連単語

toxin

B2

A toxin is a poisonous substance produced within living cells or organisms, such as bacteria, plants, or animals. It is capable of causing disease or health issues when it enters body tissues through ingestion, inhalation, or absorption.

pesticide

B2

A chemical substance used to kill or control pests that are harmful to crops, livestock, or humans. It is an umbrella term that includes insecticides, herbicides, and fungicides used widely in agriculture and gardening.

fertilizer

B2

A chemical or natural substance added to soil or land to increase its fertility and provide essential nutrients for plant growth. It is primarily used in gardening and agriculture to help crops develop faster and produce higher yields.

irrigation

B2

To supply land or crops with water through man-made systems such as pipes, ditches, or sprinklers. It is an essential agricultural process used to assist in the growth of plants, especially in areas with low rainfall.

flood

B2

Describing something relating to a large amount of water covering an area that is usually dry, or metaphorically, being overwhelmed by an excessive quantity of something. In common usage, the form 'flooded' is typically used as the adjective to describe this state.

erosion

B2

Erosion is the process by which the surface of the earth is worn away by natural forces such as water, wind, or ice. In a figurative sense, it refers to the gradual destruction or reduction of something abstract, such as power, rights, or confidence.

desertification

B2

The process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture. It represents a significant environmental challenge where land loses its biological productivity and ability to support human life.

afforestation

B2

Afforestation is the process of establishing a forest on land that has not recently been covered by trees. It involves planting seeds or saplings to create new wooded areas, often to improve the environment or for commercial timber.

endangered

B2

To put someone or something at risk or in a situation where they could be harmed, damaged, or destroyed. In environmental contexts, it specifically refers to species that are at high risk of becoming extinct in the near future.

extinction

B2

Extinction is the state or process of a species, family, or larger group being or becoming extinct, meaning it no longer has any living members. It can also refer to the act of making something, such as a fire, a feeling, or a practice, cease to exist.

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