A result that is very unlikely to have occurred by chance alone is said to be ________ .
a. free from bias
b. scientifically accurate
c. scientifically novel
d. free from sampling error
e. statistically significant
e. statistically significant
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True or False. Phylogenetic trees can be used to infer character states of extinct organisms
A. true B. false
LHON is a mitochondrial disease caused by weak hypomorphic mutations that affect the mitochondrial electron transport chain. Among the first symptoms of the disease is blindness. People with LHON are usually homoplasmic because retinas must be homoplasmic mutant for a person to have disease symptoms. Which is true about a female who is heteroplasmic for the mutation that causes LHON? (Select all that apply.)
A) She may have children who are blind due to LHON. B) Some cells in her body are probably homoplasmic. C) She is likely to develop the disease in other parts of her body. D) All of her children will be homoplasmic for the wild-type mitochondria.
Mutations may be detrimental, beneficial, or neutral to the cell or organism in which they occur
Indicate whether the statement is true or false
How many species of animals and plants are estimated to go extinct in our lifetimes?
A. 500 B. 10,000 C. 25 D. one-fifth of the world's species