complete penetrance
complete penetrance The case in which a specified genotype always manifests itself at the phenotypic level. For this to happen, not only must a dominant gene always produce a phenotypic effect; so must a recessive gene in the homozygous state.
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Recessive Gene , recessive gene A gene whose phenotypic effect is expressed in the homozygous state but masked in the presence of the dominant allele (i.e. when the o… Complementary Genes , complementary genes Mutant alleles at different loci which complement one another to give a wild-type phenotype. Dominant complementarity occurs wher… Regulator Gene , regulatory gene In the operon theory of gene regulation, a gene that is involved in switching on or off the transcription of structural genes. When t… Pseudogenes , Pseudogenes are defective copies of functional genes. These may be partial or complete duplicates derived from polypeptide-encoding genes or RNA gene… Operon , Operon
An operon is a genetic regulatory system found in prokaryotes and the bacterial viruses (bacteriophages ) that attack bacteria. It is a cluste… Dominant Gene , dominant gene In diploid organisms, a gene that produces the same phenotypic character when its alleles are present in a single dose (heterozygous) p…
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complete penetrance