chromosome
A thread-like structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes. In humans, each cell normally contains 23 pairs of these structures which determine hereditary characteristics.
例句
3 / 5The doctor explained that a baby inherits one chromosome from each pair from each parent.
The doctor explained that a baby inherits one chromosome from each pair from each parent.
Recent breakthroughs in genomic sequencing have allowed for a more detailed mapping of the human chromosome.
Recent breakthroughs in genomic sequencing have allowed for a more detailed mapping of the human chromosome.
I guess I can blame my messy hair on my chromosomes!
I guess I can blame my messy hair on my chromosomes!
词族
记忆技巧
Think of 'Chrome' (color) and 'Soma' (body). Scientists named them 'colored bodies' because they are the parts of the cell that soak up colorful dyes in a lab.
快速测验
Humans usually have two ________ that determine their biological sex: X and Y.
正确！
正确答案是： chromosomes
例句
The doctor explained that a baby inherits one chromosome from each pair from each parent.
everydayThe doctor explained that a baby inherits one chromosome from each pair from each parent.
Recent breakthroughs in genomic sequencing have allowed for a more detailed mapping of the human chromosome.
formalRecent breakthroughs in genomic sequencing have allowed for a more detailed mapping of the human chromosome.
I guess I can blame my messy hair on my chromosomes!
informalI guess I can blame my messy hair on my chromosomes!
During mitosis, the chromosomes condense and become visible under a light microscope.
academicDuring mitosis, the chromosomes condense and become visible under a light microscope.
Our biotech startup is focusing on identifying markers on the Y chromosome for personalized medicine.
businessOur biotech startup is focusing on identifying markers on the Y chromosome for personalized medicine.
词族
常见搭配
常用短语
X chromosome
X chromosome
Y chromosome
Y chromosome
chromosome count
chromosome count
容易混淆的词
A gene is a specific segment of DNA, whereas a chromosome is the entire structure that contains many genes.
Chromatin is the material that makes up a chromosome; a chromosome is the condensed, organized shape of that material.
使用说明
The word is almost exclusively used in biological, medical, and scientific contexts. It is a countable noun and is most frequently used in the plural when discussing genetics generally.
常见错误
Learners often use 'gene' and 'chromosome' interchangeably, but remember that a chromosome is the 'bookshelf' and a gene is a single 'book' on that shelf.
记忆技巧
Think of 'Chrome' (color) and 'Soma' (body). Scientists named them 'colored bodies' because they are the parts of the cell that soak up colorful dyes in a lab.
词源
Coined in the late 19th century from the Greek words 'khrōma' (color) and 'sōma' (body).
语法模式
文化背景
In modern society, chromosomes are often discussed in relation to identity, gender (X/Y), and genetic testing services like 23andMe.
快速测验
Humans usually have two ________ that determine their biological sex: X and Y.
正确！
正确答案是： chromosomes
相关词汇
相关词
to
A1Used to indicate the place, person, or thing that someone or something moves toward. It can also mark the recipient of an action or the limit of a range.
and
A1A primary conjunction used to connect words, phrases, or clauses that are grammatically equal. It indicates addition, a sequence of events, or a relationship between two things.
a
A1A word used before a singular noun that is not specific or is being mentioned for the first time. It is used only before words that begin with a consonant sound to indicate one of something.
that
A1This word is a demonstrative pronoun used to indicate a specific person, object, or idea that is further away in space or time from the speaker. It is also used to refer back to something that has already been mentioned or to introduce a clause that identifies something.
I
A1The pronoun 'I' is used by a speaker or writer to refer to themselves as the subject of a verb. It is the first-person singular subject pronoun in English and is always capitalized regardless of its position in a sentence.
for
A1Used to show who is intended to have or use something, or to explain the purpose or reason for an action. It is also frequently used to indicate a specific duration of time.
not
A1A function word used to express negation or denial. It is primarily used to make a sentence or phrase negative, often following an auxiliary verb or the verb 'to be'.
with
A1A preposition used to indicate that people or things are together, in the same place, or performing an action together. It can also describe the instrument used to perform an action or a characteristic that someone or something has.
he
A1A pronoun used to refer to a male person or animal that has already been mentioned or is easily identified. It functions as the subject of a sentence.
you
A1Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.
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