"Alleles" Pronounce,Meaning And Examples
"Alleles" Natural Recordings by Native Speakers
"Alleles" Meaning
Alleles are different forms of the same gene that occupy the same position on a chromosome and determine different traits or characteristics in an organism. They can be dominant or recessive and are responsible for genetic diversity.
"Alleles" Examples
1. In genetics: Alleles are different forms of the same gene that occupy a specific location on a chromosome. For example, in human blood type, the A and B alleles determine whether an individual has type A, B, AB, or O blood.
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Example: The ABO blood group system has three primary alleles: A, B, and O. An individual may inherit two copies of the A allele (AA), one A and one B (AB), two B alleles (BB), or two O alleles (OO).
2. Population genetics: In a population, different alleles can be more or less common, affecting the genetic diversity.
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Example: The frequency of the sickle cell allele is higher in some regions where malaria is prevalent, as it provides a survival advantage against the disease.
3. Heterozygous and Homozygous: An individual can be heterozygous, having two different alleles for a gene, or homozygous, having two identical alleles.
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Example: A pea plant can be heterozygous for flower color, carrying both the red (R) and white (r) alleles (Rr), while another plant can be homozygous recessive for white flowers, having two white alleles (rr).
4. Phenotypic expression: The phenotype, or physical trait, depends on which alleles are dominant or recessive.
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Example: The allele for brown eyes (B) is dominant over blue eyes (b). Two heterozygous parents (Bb) can produce offspring with either brown or blue eyes, depending on which allele is expressed.
5. Mutation and evolution: Genetic mutations can create new alleles, potentially leading to evolutionary changes in a species.
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Example: A mutation in the MC1R gene can result in a new allele responsible for red hair and fair skin in humans. This new allele may become more prevalent over time if it confers an advantage in a certain environment.
"Alleles" Similar Words
Allegorize
To allegorize means to interpret or present a story, text, or idea as an allegory, where symbols and characters represent abstract concepts or moral lessons. It involves creating a hidden or secondary meaning behind the surface-level narrative.
Allegorized
"Allegorized" is the past participle of the verb "allegorize." It means to represent or interpret something, typically a story, poem, or event, as an allegory, where various elements symbolize abstract or hidden meanings. It involves assigning symbolic significance to characters, actions, or events to convey a deeper moral, philosophical, or political message.
Allegory
An allegory is a story, poem, or picture that can be interpreted to reveal a hidden meaning or moral lesson. It uses symbolic figures, events, or elements to convey a deeper, often abstract, message or idea. For example, John Bunyan's "Pilgrim's Progress" is an allegory where characters like "Christian" and places like " Vanity Fair" represent aspects of religious faith and human experience.
Allegretto
Allegretto is an Italian musical term that indicates a moderate but lively tempo. It is slightly faster than Andante but slower than Allegro. In music notation, it is often indicated with the word "Allegretto" written above or below the staff.
Allegrettos
"Allegrettos" are musical terms indicating a moderate but lively tempo, slightly faster than an allegro but not as slow as a moderato. It suggests a cheerful and light pace in a musical composition.
Allegrissimo
Allegrissimo is an Italian musical term that means "very lively" or "very fast." It is an instruction to perform a piece of music at a quick and cheerful tempo.
Allegro
Allegro is an Italian musical term that means "quickly" or "briskly." It指示演奏者以较快的速度来演奏音乐片段。在乐谱上， Allegro通常表示一段音乐应以活泼和轻快的节奏进行。
Allele
An allele is a variant form of a gene that occupies a specific position on a chromosome and determines a particular trait in an organism. Different alleles can result in different characteristics or phenotypes when expressed.
Allelic
Allelism
Allelochemical
Allelochemicals
Allelomimetic
Allelomorph
Allelomorphic
Allelopathic