3 syllables: Al, le, les. Stress on le.
uh-LEL-eez
/əˈlɛliz/
Alleles is pronounced uh-LEL-eez (/əˈlɛliz/). It has three syllables (Al-le-les), with the stress on "le". Alleles are different versions of the same gene that occupy the same position on paired chromosomes. They contribute to genetic variation in traits through dominant and recessive patterns of inheritance. The term is used in biology and genetics to discuss how genes influence phenotypes in populations and individuals.
nounAlleles are different versions of the same gene that occupy the same position on paired chromosomes. They contribute to genetic variation in traits through dominant and recessive patterns of inheritance. The term is used in biology and genetics to discuss how genes influence phenotypes in populations and individuals.
How to Pronounce Alleles
"Researchers classified individuals by their alleles to study disease risk."
"The allele a person inherits can determine whether a trait is expressed or masked."
"In this cross, two alleles at the locus produce a heterozygous genotype."
Pronounce as /ˈæl.iːlz/ in US and UK; the first syllable carries primary stress. The second syllable is a long E sound: /iː/, followed by the final /lz/ cluster. In practice: AL-eels, with the second syllable elongated slightly. For Australian speech, you’ll hear the same /ˈæl.iːlz/ pattern, though vowel quality can be marginally shorter in rapid speech. Audio reference: align to standard pronunciations in Cambridge/Oxford and Pronounce resources.
Two common errors: (1) Slurring the second vowel into a short /ɪ/ or /ɛ/ rather than a long /iː/. Aim for /iː/. (2) Dropping the final /l/ or mispronouncing the /z/ as /s/. Practice gently attaching the /z/ to the /l/ without a strong pause. Slow practice with minimal pairs helps: /ˈæl.iːlz/ vs /ˈæl.ɪlz/ vs /ˈæliːz/.
In US and UK, stress remains on the first syllable /ˈæl.iːlz/. Vowel quality is similar, but Americans may have a slightly longer /iː/ and a more pronounced rhotic influence in connected speech; Australians typically maintain /ˈæl.iːlz/ with a flatter vowel and less duration on the first syllable, but still long /iː/ in the second. In careful speech, all align to /ˈæl.iːlz/ across regions.
The difficulty comes from the /iː/ in the second syllable, which requires tongue-high, front placement, and the final /lz/ cluster that links a light /l/ and rapid /z/ without a syllabic break. Native speakers may slip into /ˈælaɪlz/ or /ˈælɪlz/ when talking quickly. Focus on maintaining a long /iː/ and smooth alveolar /l/ + /z/ transition, with minimal voicing change across the cluster.
A unique feature is sustaining the long vowel /iː/ in the second syllable, distinguishing Alleles from similar-sounding words with shorter vowels. The /l/ is light and not darkened, and the /z/ should be clearly voiced, not devoiced. You can test with a held vowel in the second syllable: /ˈæl.iːlz/ and ensure the lip position remains relaxed while teeth lightly touch the lower lip to set the /l/.
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Allele comes from the Danish word allél, a form of æll, and ultimately from the Greek allos meaning other or different. The term entered English science vocabulary in the early 20th century, around the 1920s, when geneticists extended Mendelian concepts to diploid organisms and described the existence of alternative forms at a single gene locus. Initially, scientists used allel- as a root within words like allele, allele pair, and allelic. The modern usage solidified through comparative studies of inheritance in plants and animals, where two or more variants can exist for a gene in a population. The word’s sense broadened as molecular genetics emerged, with “allele” referring specifically to the different gene variants that can be transmitted from parent to offspring. The singular form “allele” evolved into the plural “alleles” to denote multiple variants within a population or a zygote’s paired contribution. First known uses were in genetic discourse and academic publications in the 1920s–1930s, aligning with the modern synthesis of heredity and phenotype expression.
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Words that rhyme with "Alleles"
-ies sounds
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