Which Statement Regarding Genotype and Phenotype Is Accurate

question 14

Multiple Choice

Which statement regarding genotype and phenotype is accurate?

• A) For autosomal recessive traits, the phenotype is the same as the genotype.
• B) The only trait in which phenotype always follows genotype is physiologic gender.
• C) When a phenotype is fully penetrant, the trait is expressed in the heterozygous person.
• D) Genotype changes as a person ages, whereas phenotype is not affected by the aging process.

---

Definitions:

Directional

Pertains to tests or hypotheses that specify the expected direction of the relationship or difference between variables.

Nondirectional

Pertaining to hypotheses or research questions that do not specify the direction of the expected relationship between variables.

F-test

A type of statistical test that compares the variances of two or more groups to find if they come from populations with equal variances.

T Test

A statistical test used to compare the means of two groups or samples to assess if they are statistically different from each other.