A student notices that she has the same dimples as her father, even though her mother does not. Which concept best explains how this trait was passed on?

A biology class crosses two pea plants with genotypes TT and tt using a Punnett square. What is the main purpose of the Punnett square?

During a lab activity, a student describes a plant as tall with green seeds. Which term correctly refers to these observable characteristics?

Mendel’s experiments on garden peas were important because they showed that traits are passed down through specific units. What are these units now called?

A mutation occurs in a short sequence of DNA that affects eye color. Which genetic component was most directly altered?