Which event of the cell cycle takes the longest period of time and why

Leila has dimples because she received a gene copy from her father that coded for dimples. this means that dimples are an example of a trait that is

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy

Which of th following best describes how genes produce traits in an organism?