What is a recessive gene?

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(D) recessive gene is a type of allele that does not produce a trait at the phenotypic level when present in a heterozygous condition (i.e.,paired wit

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All of the above.

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(D) recessive gene is a type of allele that does not produce a trait at the phenotypic level when present in a heterozygous condition (i.e.,paired with a dominant allele). $1$. In a heterozygous state $(Aa)$,the dominant allele $(A)$ masks the expression of the recessive allele $(a)$. $2$. The recessive trait is only expressed phenotypically when the organism is homozygous for the recessive allele $(aa)$. $3$. Therefore,statements $A$,$B$,and $C$ are all correct descriptions of a recessive gene.

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