1. most of the energy
2. light and heat
<span>This abnormality in chromosome structure is caused by breaking off a fragment from one chromosomes and it moving forward to attach with another...</span>
Science is a investigation process
DNA is the genetic composition of the cells in the human body, think of it as the coding for a computer but for cells. These carry your genetic composition (blue eyes, Brown hair, tall, short blah blah blah) and traits like smart, funny, shy.
Hope that helps.