Which statement regarding genotype and phenotype is accurate?

Question

Quizplus · Accepted Answer

Genotype refers to the exact alleles of a single gene trait.Phenotype refers to the observable characteristics present when a gene is expressed.For recessive traits,because both alleles must be the same (homozygous)for the gene to be expressed,the phenotype and the genotype are the same.Dominant traits are expressed in the phenotype,even when the person's genotype is heterozygous for the alleles.Physiologic gender is not the only trait in which phenotype always follows genotype,nor is a trait necessarily expressed in the heterozygous person because a phenotype is fully penetrant.Also,both phenotype and genotype,as with other aspects of the genetic makeup of the individual,are affected by the aging process.The other statements are inaccurate descriptions of genotype and phenotype.

Which Statement Regarding Genotype and Phenotype Is Accurate