Punnet Squares

1/29/2013

0 Comments

 
                   Have you ever heard of the Punnet Squares? Well they are important, to certain people. Some people like scientist probably use them to figure out whether a plant is a female or male. Some doctors use them to, but now these days they have machines so tell you. Well anyways punnet squares are used to figure out whether a mom would have a male,or  female child, and how they might look. To figure the punnet squares, you get the genes from each parent. Like freckles,eyes,tallness,shortness,etc. There's all these different type of genes. While you list them up in order by the punnet squares. When you finish the punnet chart, you have to estimate.
                   For example, the punnet chart is listed as if your playing battleship. They go by rows but shaped in a tic tac toe chart. If you have a little T and a big T , the child has a chance to be whoever the big T is. If it's little T little T, then they are gonna get the genes from the mother. That means the big T big T is gonna have the geneo type from the father.
There are different kinds of type of parents, of the genes.
                   Like, there are homozygous. Homozygous sounds very wierd, but it shows the type of genes the parent has. homozygous is like little T and big T. It just gives people a little clue of what the parents gene type is a little more easier.
If the whole punnet chart is filled with big T's, or is filled with little T's, then that means they have a life long trait and hasn't been changed, but it can change if the parent has a different gene type that is all different from his gene type, he can change everything in the punnet chart.
0 Comments

DNA Ornaments

1/22/2013

0 Comments

 
                       DNA is made up of so many things, everything is just plain confusing. DNA is located in cells, it is like a very small moluicule. DNA is the reason why everything in your body moves. DNA tells your brain what to do, let's put it this way, DNA is the number one thing why your whole entire body is functioning. Without DNA, your body wouldn't be able to move. 
DNA is made up of tiny little things called mollicules, you can barley even see them. You can't even see them with a telescope. I Mean microscope.  
                      That is how small the DNA is. Eventually DNA has more then five elements to it. That's why when you see a figure of the DNA which looks like a blue and red twisted cord. Well DNA really doesn't look like that. They are kind of like cells but they are more functional and without them they can damage your body to the point where you can be paralyzed.
                      DNA and Cells are the same because they are one of the most important two things that your body needs to have in your body. Cells are the main things that give your body figures. They all add up and create you, without cells you wouldn't be born. For example when you were barely born and inside of your mothers stomache, the tiny bean the was once you was cells. The cells were forming to create you. 
                     When you grow the DNA expands and that is how you grow larger, that's why you keep growing from a child to an adult.
0 Comments

My struggles in Science

1/15/2013

0 Comments

 
                    Last Quarter I got an F in science. Science was really hard for me in first quarter, I struggled so much. Science that quarter that I mostly failed in was the cells, and the DNA. Those two topics were really difficult for me. When we were on the cells topic, the experiments and stuff were easy for me, but when it came to the test, I struggled because I really didn't understand the meaning of the vocabulary words that we needed to know. 
                  When it came to the test, I would always have so much confidence in myself but end up not passing the test. The part only messed up on the most was the vocabulary. In the test, you would have to match the word to its meaning. And it is just plain difficult for me. The next hardest in science was the DNA. Well I really didn't understand what DNA way. But I knew it was inside of the cell, DNA is fairly little you can't even see it with your own eyes, or even a microscope.
                   The DNA test was very hard to, well for me because one day, just a natural day in science we had to watch a video and take notes on people, scientist who had discovered DNA. Yea, I took notes, but when the test came my science teacher said I couldn't use the notes. Everything just went bad for me. I was totally lost when we were doing the test. I had a F on the test too. My mom was very disappointed at me.
                 


               
     
0 Comments