Dry your hands and then plug your dishwasher into an electrical outlet. Turn the hot water on all the way. Now all thatâs left is to start your dishwashing cycle. If you like, you can listen to the rhythmic churning of the dishwasher while you savor the novelty of a machine cleaning your dishes.
Chromosomal abnormalities are a group of conditions that are the result of a problem with one of the 23 pairs of chromosomes. Chromosomes are the structures within the bodyâs cells that contain genes. Normally, people have 23 pairs of chromosomes.
Research shows that three types of chromosomal changes can lead to Down syndrome. 1  Complete trisomy 21. In this case, an error during the formation of the egg or the sperm results in either one having an extra chromosome. 2  Mosaic trisomy 21. Not every cell in the body is exactly the same. 3  Translocation trisomy 21.