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.
In order to become a firefighter with the St. Louis Fire Department, you must do the following: 1  Have a diploma or high school equivalent. 2  Be at least 18 years of age and no more than 33 years of age (Up to 6 additional years for Military Service) 3  Apply for the position through the Department of Personnel.