Genetics 1
Mitocondria.
what does a homozygous recessive gene look like?
rr
when organisms are best suited to their environment.
What does GMO stand for?
Genetically modified organisms.
What is a fossil?
Something that was once living that is now preserved.
what is the function of the cell membrane?
It decides what goes in and out of the cell.
what does a heterozygous gene look like?
Rr
what is migration?
When an organism move from one environment to another.
What is artificial selection?
When scientists intentionally breed two living organisms to create something with the desired trait.
What theory explains why there are tropical plant fossils found in Antarctica?
what makes plants green?
chloroplast.
if orange hair is dominant to brown hair, what color hair would the child have with these Rr, rr?
50% orange, 50% brown.
what is genetic drift?
A random change in traits.
What is the process of GMOs?
By injecting genes into another organism.
Whats an index fossil?
A fossil where you can find out the period of time that it lived in.
what unique features does a plant cell have that a human cell doesn't?
chloroplast, cell wall.
create a punnet square with these Rr, rr, what % is recessive and what % is dominate?
50-50
What is a mutation?
A permanent change in the DNA system.
What is selective breeding?
When you breed two animals or plants
What is intrusion?
When magma seeps into older layers of rock.
What is the difference between mitosis and meiosis?
Mitosis is a process of cell division, and meiosis is the process of producing four genetically different daughter cells.
create a punnet square with these two RR, rr, if brown eyes are dominant to blue eyes what percentage of the kids will have blue eyes?
0% blue eyes 100% brown eyes.
what is hibernation an example of?
Behavioral adaptation.
What is gene therapy?
Modifying someone's genes to prevent a disease.
What is extrusion?
When lava hardens on the top of rock layers.