The DNA in the mitochondria is inherited equally from the person's mother and father.
a. true
b. false
b. false
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Which species have had the least number evaluated for threats?
a. green algae b. fishes c. angiosperms d. birds
Which of the following is a water-soluble vitamin?
a. vitamin A b. B-complex vitamins c. vitamin D d. vitamin K e. vitamin E
Choose the statement that best describes the role of restriction enzymes in DNA profiling.
Restriction enzymes are used to replicate specific sequences of DNA. Restriction enzymes are used to cut DNA at specific locations. Restriction enzymes are used to join different segments of DNA. Restriction enzymes are used to sequence long stretches of DNA. Restriction enzymes are used to purify DNA.
Natural selection occurs when there is nonrandom elimination of genotypes from a population due to ________
A) decreased predation B) similarities in viability or reproductive success C) differences in reproductive isolation mechanisms D) differences in viability or reproductive success