The presence of a recessive gene can be detected only if the individual is homozygous (aa) .
Homozygous is a condition in which two identical alleles are present at a particular locus.
A condition in which an individual has inherited the same DNA sequence for particular gene from both their biological father and their biological mother.
An allele is defined as a variant form of a gene or one of two or more than two DNA sequences occurring at a particular gene locus.
Genes are made up of information required to produce different proteins.
Therefore,the presence of a recessive gene can be detected only if the individual is homozygous (aa).
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