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.
Definition of Recessive. Recessive: A condition that appears only in individuals who have received two copies of a mutant gene, one copy from each parent.The individuals with a double dose of the mutated gene are called homozygotes.here are two types of recessive diseases -- autosomal recessive and X-linked recessive -- that describe different patterns of inheritance. The opposite of recessive is dominant. See also Autosomal recessive; Dominant; and X-linked recessive.