In this chapter I learned about twins, identical and fraternal. This chapter was very interesting with all the different things about twins. How they vary from everyone else and how fraternal twins are just like regualar brother and sisters. Even though they are twins in reality they should just be brother and sister or brother and brother or sister and sister, but because they are twins their mind set is that they have a twin so they should somewhat be a like.
I learned that identical twins have the same copy of genes, just not the same amount of the copied genes. Because they don't have the same amount it is a reason why sometimes one twin is very ill when they are born and one is healthy. Fraternal twins are like I said before they don't have the same copies as each other so they are just brothers or sisters.
Another thing I learned in an identical pair of twins if one of the twins gets a disease it is 60% more likely for the other twin to have the same disease later on or it could be around the same time as the other is diagnose that the twin will get it. If a pair of fraternal twins has a twin with a disease it is 30% more likely that the other will get it. Another things about twins that I learned was about divorces. If an identical twin gets divorced then the other one has 5.5 times greater the more likely to get divorced, fraternal 1.6 times.
The last thing I'm going to talk about on here is about our enviroment and how it effects us. No matter what you say how and where you grow up has an effect on you. For example if I wouldn't have grown up in a small town I might be not as courteous as I am today. In a bigger city people aren't as friendly or nice to others as people in a smaller town. In a smaller town people know almost everyone in the town and everyone gets a long with a lot of people. Yes I know that everyone doesn't get along with everyone but there are more people that get along with each other then don't get along. I also think it would have an affect on me as a person because my family is very family oriented, I think if I didn't live so close to my family that my sisters and I wouldn't go to family gatherings or family events.
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I think it is interesting how twins mirror what the other one does. I also think it is strange how identical twins are so much closer than fraternal. I just wonder how the divorce rates and disease rates would change for identical triplets or other sets of multiples?
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