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.
â If you are dedicated, though donât have time to run your EMT training in parallel with your fire training, and assuming you are hired by the department on your first attempt, it will take you 3.5 to 4 years to become a firefighter (though you will be a probationary firefighter after 3 â 3.5 years).he majority of fire departments will require an EMT certification, and those who donât require it will significantly favor candidates who posess such certification. To become a certified EMT, you will need to undergo anywhere between 40 and 350 hours of training, depending on the requirements set forth by your state.