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.
Generally speaking fire jobs require a unique set of pre-requisites and skills to be successful. 1  The candidate (you) must have a clean record free of chronic drug use, traffic issues, or felonies. 2  Usually an individual must be at least 18 years old; in some states you must be 21 to apply. The minimum requirements will also include that a candidate have a high school diploma or GED. A valid driverâs license is also a basic requirement.