The allele that is expressed in a heterozygous organism is the ______ allele.
A
dominant
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B
recessive
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C
singular
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D
multiple
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Solution
The correct option is A dominant The dominant allele is expressed in homozygous as well as heterozygous conditions. For example, tallness is the character that is expressed in homozygous (TT) as well as (Tt) conditions.