Why do ai planesi high above the ground? A Its Warmer there. B he ai is thiCker therg C here is no weather at that height. D) To give passengers a better view of the groune

Parents can pass on chromosomes to their children that are different than their own when the new gene combinations are created by crossing over. The exchange of genetic material between homologous chromosomes is known as crossing over which occurs in meiosis. When homologous chromosomes pair up and exchange different segments of the genetic material. As the result, a new combination of genes will be formed. If there was not crossing over, all genes on a chromosome would be inherited together.