Understanding Genetics and Traits

What is the term for the observable characteristics of an organism resulting from the interaction of its genotype with the environment?

• Genotype

• Phenotype

• Allele

• Chromosome

Which of the following best describes a trait?

• A specific sequence of DNA

• A characteristic that can be passed from parent to offspring

• A type of cell division

• A molecule that carries genetic information

What is the process by which genetic information is passed from parents to their offspring?

• Mutation

• Inherit

• Evolution

• Selection

Which term refers to the differences in physical traits of an individual from the group to which it belongs?

• Variation

• Mutation

• Adaptation

• Evolution

What is the study of heredity and the variation of inherited characteristics?

• Biology

• Genetics

• Ecology

• Anatomy

Which of the following is a protein molecule that receives chemical signals from outside a cell?

• Enzyme

• Receptor

• Hormone

• Antibody

What is the genetic makeup of an organism called?

• Phenotype

• Genotype

• Chromosome

• Gene

Which of the following is an example of a phenotype?

• The sequence of nucleotides in DNA

• Blue eyes

• The presence of a specific gene

• A mutation in a gene