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noun Genetics.
any of several forms of a gene, usually arising through mutation, that are responsible for hereditary variation.
Origin:
1930–35; < German Allel, apparently as shortening of German equivalents of allelomorph or allelomorphic gene; allelo- < Greek allēlo-, combining form of allḗlōn of/to one another, reciprocally
1930–35; < German Allel, apparently as shortening of German equivalents of allelomorph or allelomorphic gene; allelo- < Greek allēlo-, combining form of allḗlōn of/to one another, reciprocally
Related forms
al·lel·ism, noun
in·ter·al·lel·ic, adjective
non·al·lel·ic, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Alleles
is always a great word to know.
So is lollapalooza. Does it mean:
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a chattering or flighty, light-headed person. |
American Heritage
Science Dictionary
allele  (ə-lēl') Pronunciation Key
Any of the possible forms in which a gene for a specific trait can occur. In almost all animal cells, two alleles for each gene are inherited, one from each parent. Paired alleles (one on each of two paired chromosomes) that are the same are called homozygous, and those that are different are called heterozygous. In heterozygous pairings, one allele is usually dominant, and the other recessive. Complex traits such as height and longevity are usually caused by the interactions of numerous pairs of alleles, while simple traits such as eye color may be caused by just one pair. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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