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DNA can be described as the blueprint to who you are, and is the difference between what makes you human and not a rat. In Ap biology we spent a lot of time studying DNA synthesis and how DNA is made.

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This video showcases a Tesla coil, which went off about every 30 minutes. The electric arcs that are both very loud and fun to look at were created through high voltage and a high frequency of electricity. It is a bit of a stretch but electricity is apparent in biology such as electrical signals in cell signaling.

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The science behind changing the genetics of our children is growing. And though it is not possible now it may very well be in the future. It is interesting to think about how it’s going to affect our future generations in both negative and positive ways. In AP Bio I learned about the PCR process, and how DNA can be copied and studied closely. I imagine that PCR will be a key process in the science behind changing one’s own genetics.

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When we saw the baby chicks we were surprised to learn that it only takes around 20 days for chicks to hatch. Seeing the chicks reminded us of the Bio unit where we learned about meiosis and how sex cells undergo this process that creates 4 distinct cells that have genetic diversity.

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PH scale (also not exactly sure what this one was called)

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PH scale (also not exactly sure what this one was called)

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1. An interesting fact is baking soda has a higher, more neutral PH than coffee.
2. This connects to AP Biology because we tested a ton of different PH levels for different liquids ranging from soda to soap to simple water.

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The evolution of pregnancy? (honestly not positive on the name)

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The evolution of pregnancy? (honestly not positive on the name)

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1. One thing I learned is babies start forming with arms and legs when they are like the size of a bean.
2. This connects to AP Biology because we learned about chromosomes and how XX chromosomes are girls and XY chromosomes are boys. This baby was a girl meaning she had XX chromosomes.

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In this exhibit we saw plants being grown in a very controlled environment. An interesting fact that we learned is that over 65,000 different plants are used to make medicines. This relates to Bio since we learned how plants undergo photosynthesis to make glucose and cellular respiration to produce energy for the plant to live.

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1. An interesting fact I learned is we have about 11,000 more genes than worms.
2. This exhibit relates to what we have learned in biology because we learn about genetic variations and how any change in a gene can make someone or something very different than something else.

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In this exhibit we learned about genes and how DNA works. An interesting fact we learned is that humans share 99.9% identical DNA, which means all of our phenotypic variations come form only .1% of our DNA. This relates to the genetics unit in Bio since we learned how DNA is transcribed and translated to create new cells that code for proteins.

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Interesting Fact- DNA is wrapped in a double helix with sugar, phosphates, and nucleotide bases.

Relation- We are currently studying the structure of DNA in this unit, and this exhibit provided a very large model of the DNA structure.

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Interesting Fact- Scientists use chicks to study embryonic development because they are very similar to human embryos.

Relation- Relates to a future Evolution unit. At one end of the hatchery, there were eggs being incubated and at the other end were the actual baby chicks, demonstrating the process of how organisms evolve from embryo to baby.

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1.) The human body contains more than 600 muscles
2.) In the image we can see three different types of muscle; smooth, cardiac and skeletal. Each of the muscle contain different types of cells that serve different functions for the location and function of the muscle.

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1.)Rats and mice are most often used in studying human medicine
2.) this DNA was extracted in a similar manner that we conducted or Strawberry DNA lab. This sample has a significantly larger amount of DNA found and you have see a long strand of the rats DNA

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Interesting Fact- Some of our cells are newer than others. For example, the cells in my eye were 17 years old, but the cells in my skin were a couple of hundred days old.

Relation- Relates to mitosis and cell division. We discussed time periods of cell division for different body cells and why they are so different based on the type of cell.

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1.) FUN FACT - 99% of human DNA is identical.
2.) CONNECTION - In unit 1 we learned the building blocks of DNA (a base, a sugar and a phosphate) In this image we can see the chemical make of dna down to every single molecule of the bases. We can differentiate the types of bases purines and pyrimidines

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1) Interesting Fact - Around 60% of the Earth's freshwater is held within ice sheets. If it were to all melt, sea levels around the world would increase by an average of seven meters, eroding coastlines and habitats.

2) Connection to Class- Ice is a solid, composed up of H2O molecules that are covalently bonded to another. Via cohesion, water molecules can bind to each other, creating such structures. Additionally, hydrogen and oxygen are necessary to create water; each element is bonded with weak hydrogen bonds.

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1) Interesting Fact - Attached (or detached) earlobes are coded by a single autosomal gene with two alleles. The allele for detached earlobes (F) is dominant to the allele for attached earlobes (f), causing many more individuals to express the phenotype for detached earlobes.

2) Connection to Class - Each individual receives half of their chromosomes from mom and half from dad, causing offspring to share similar characteristics to their parents. Allele combinations, homozygous dominant, heterozygous, and homozygous recessive allow certain traits to be expressed over others, allowing variation to occur between individuals. This behavior was modeled via punnet sqaures in class!

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1) Interesting Fact - Scientists believe that each human genome contains about 40,000 genes per cell, composed of approximately 3.2 billion base pairs. Likewise, the genomes of any 2 people in the world are about 99.9% alike!

2) Connection to Class - In AP Bio, we learned that the human genome (DNA) is written with only 4 letters (A, T, C, and G). In addition, a copy of your genome is found within the nucleus of each of your cells, contained within the 23 pairs of chromosomes that help to express your phenotype.

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This exhibit showed the structure of a DNA molecule. We learned in AP Bio that a DNA molecule consists of nucleotide bases, hydrogen bonds, a sugar-phosphate backbone, and covalent bonds.

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In this exhibit, we saw the growth of an embryo into a fetus, as well as the hormone changes someone experiences throughout pregnancy. Embryonic cells result from fertilization of sex cells produced through meiosis, while the increase and change in hormones throughout pregnancy shows a positive feedback reaction.

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In this exhibit, we learned about the chemicals and molecules that make up the food we eat. In class, we learned about macromolecules and the cellular respiration, which is the process by which we metabolize the food we eat.

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We learned in this exhibit that we get half our genes from our mother and the other half from our father. In AP Bio we did Punnett Squares to determine what genes we inherited.

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in this exhibit we learned that there are over 1000 stomas on plants! and in Ap Bio we learned that stomas are tiny little pores that take in carbon dioxide and release oxygen.

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in this exhibit we learned that in small waves the velocity of the wave is determined almost entirely by the surface tension. In Ap Bio we learned that the property of the surface on a liquid allows it to resist an external force, due to the cohesiveness.

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This is a human embryo at 5 weeks old. After fertilization where male and female gamete cells join to form a diploid zygote. We learned that at this point the membrane surrounding the embryo is attached to the uterus lining and the innermost membrane forms the amniotic sac that protects the embryo.

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We learned about 21 chromosomes as this occurs when a person has 3 copies of chromosome 21 instead of 2 which is the reason for down syndrome. Typically each cell has 23 pairs of chromosomes. Chromosomes are the structure inside the nucleus of a cell made of proteins and DNA.
We learned that down syndrome can also result from a transfer of genetic info from one chromosome to another.

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A double helix is the physical structure of DNA. Two linked strands are wrapped around each other to make a twisted ladder. Every strand is made up of nucleotides. Which consists of an alternating of a deoxyribose and a phosphate on the sides then a nitrogenous base in the middle. These bases consist of guanine and cytosine and adenine and thymine.
We learned that Watson and Cricks work was performed with the knowledge of x-ray crystallography studies.

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A child receives one chromosome strand from their father and one chromosome strand from their mother making a DNA strand. Having a windows peak is a dominant trait, so if a mother and father we’re both homozygous dominant for a widows peak, their offspring would have the genotype of 100% dominant allele for a widows peak.

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An offspring can only inherit the mutations in the parents’ sex cells. Mutations occur when a base gets added or deleted from the strand.

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A single chromosome can have up to 50 million to 250 million base pairs. Within in a DNA strand Adenine pairs with Thymine and Cytosine pairs with Guanine. CG base pairs have a triple hydrogen bond, while AT base pairs have a double hydrogen bond.

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Mr. Otto ist Geography teacher and everything is basically geography

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The stomata on the leaves of plants open and close to let water and oxygen out and carbon dioxide in.

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These black mice are cloned through a white surrogate mother, and the reason they are black is because in the womb, the surrogate mom does not share DNA with the embryo, so they don’t become white.

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This exhibit ties in both homeostasis and genes. It talks about the insulin gene sequence in DNA, and insulin is a hormone that maintains homeostasis in blood sugar regulation.

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1. 1 interesting fact learned
2. 1 way in which it relates to things we have learned in AP Biology