Paul has a disorder caused by a defective gene in his mitochondria. It Paul marries Helen, who has no family history of the disorder, what percentage of
their children will likely have the disease?
A. 25 percent
B. 100 percent
C. O percent
D. 50 percent

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.