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Recessive alleles are best defined as ________. Recessive alleles are best defined as ________. a deleterious or disease-causing allele a weakened or attenuated allele an allele only expressed when the allele is homozygous the least frequently expressed allele in a given population

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Milliecartier

a deleterious or disease-causing allele  (may not always be the case, it may simply be expressing other phenotypic trait which is not harmful to the organism)

a weakened or attenuated allele (may not be the case, recessive alleles are not indicative of the strength of the allele)

an allele only expressed when the allele is homozygous (correct answer)

the least frequently expressed allele in a given population (not true, recessive alleles do not necessairily mean it is the least frequently expressed allele)

genewho

Recessive allele is used to refer to those alleles that are masked from the phenotype of a heterozygous individual.

What are recessive alleles?

In biology it is applied to hereditary characteristics that are not expressed in the phenotype of the one who has them, although they can manifest in the descendants of the individual in question.

In this way, it is the one whose expression of the phenotype is hidden from the heterozygous individual for a certain character.

Therefore, we can conclude that recessive allele is used to refer to those alleles that are masked from the phenotype of a heterozygous individual.

Learn more about recessive allele here: https://brainly.com/question/844145

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