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aa.29. SC.912.L.16.2When is a recessive allele expressed in offspring?when two copies are presentb. when parents have no dominant alleleswhen the offspring is heterozygousd. when one copy is presentc.

aa.29. SC.912.L.16.2When is a recessive allele expressed in offspring?when two copies are presentb. when parents have no dominant alleleswhen the offspring is h class=

Answer :

Recessive alleles are the genes that do not express phenotypically when a dominant allele is present. In other words, their effect is masked by the presence of a dominant allele.

These alleles are expressed phenotypically only when two copies of them are present on the individual.

The correct option is a.

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