A child's sex is determined upon fertilization, when the female provides the X chromosome and the male provides _____. either the X or Y chromosome. From the following choices, select the type of inheritance in which multiple gene pairs combine to produce a particular trait.
1. To be a firefighter, you usually need a high school diploma and a college program in fire protection technology or a related program. You must pass physical agility, strength, fitness, and vision requirements. Previous experience as a volunteer firefighter may also be an advantage. 2.
You must also be a U.S. citizen to become a firefighter. You must pass a background check and in some instances, a drug screening as part of the requirements to be a firefighter.irefighting 101. by FireRescue1 Staff. The first step in a career in firefighting is to find out what the requirements are to be a firefighter in the location where you plan to be employed. The requirements to be a firefighter in a large metropolis like New York City or Chicago are extremely stringent.