To get an erection, you will need to be sexually stimulated. Doctors usually recommend taking 50 mg once per day, but the dosage can be decreased to 25 mg or increased to 100 mg if needed. Do not take more than one dose every 24 hours.
recessive allele, the member of a pair of alleles that lacks the ability to express itself in the presence of a dominant allele at the same locus.It is expressed only in the homozygous state. Compare dominant allele.See also autosomal-recessive inheritance.he member of a pair of alleles that lacks the ability to express itself in the presence of a dominant allele at the same locus. It is expressed only in the homozygous state. Compare dominant allele. See also autosomal-recessive inheritance.
recessive. In genetics, referring to that allele of a gene that is not express ed in the phenotype when the dominant allele is present. Also refers to the phenotype of an individual (homozygote) carrying two recessive alleles.(Figure 8-1) ...ocus: the particular position on homologous chromosomes of a gene. ~ Refers to an allele of a gene that is express ed when the dominant allele is not present. An allele express ed only in homozygous form, when the dominant allele is absent.