genetics 1
Storyboard Text
- Slide: 1
- Seems like there are specific factors that determine the looking of the plants and its seeds. There are dominant traits, the seed color yellow. But if we interbreed two f1 generations of yellow seed plants, 25% of the f2 generation is going to be green-seeded. That means there are recessive traits as well.
- I wonder how these pea plants end up with different variations of size, color, and form. Is there a specific pattern?
- Slide: 2
- So, only if I keep the foot of the plant, its growing back, and if I mix the foot with a different steel, the plant is growing back like the original, according to the food. That means that there is something in the food containing the information of the plant and being responsible for regrowth.
- So as Mendel proved, there are factors responsible for passing down traits. But what is the origin, and where is it located. If I cut the alga in three different parts and put different algae back together, I might find out.
- Slide: 3
- I have two different versions of the Streptococcus pneumoniae bacteria, the S-Strain, standing for smooth and is deadly for mice and the R-Strain, standing for Rough, which is harmless for mice.
- Now, when I heat kill the S-Strain version, both versions are harmless. But if I mix the heat killed S-Strain with the R-Strain and infect the mice, they die. That means that some non-living component of the heat-killed S-Strain transformed the R-Strain into the Virulent S-Strain. That means the bacteria somehow transformed genetic information.
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