<span>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.</span>
The answer is C) electron microscope, because it is stronger then the others.<span>
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Answer:
Mutations caused by enviromental factors.
Explanation:
All the other answers choices have to do with more than one gene.
Hmmm I think it’s 1 cycles per second
