Which of the following examples would be most likely to result in macroevolution?
A) a change in a regulatory gene, which has a major and adaptive impact on morphology
B) a point mutation deep within an intron
C) DNA-DNA hybridization
D) gene flow
E) genetic drift involving a trait that seems to exhibit neutral variation
Answer: A) a change in a regulatory gene, which has a major and adaptive impact on morphology
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Prokaryotes account for roughly half of terrestrial photosynthesis
A. false B. true
Genital herpes may be cured with the use of acyclovir or famciclovir
Indicate whether this statement is TRUE or FALSE.
El Nino will primarily affect ________ food webs along the eastern ________ coasts
a. marine, Caribbean b. marine, Pacific c. terrestrial, Atlantic d. marine, Atlantic e. terrestrial, Pacific
Frances Redi disproved spontaneous generation by designing a controlled experiment where he placed raw meat in six (6) jars. He covered three jars with a fine net and left three jars open. After a short period, maggots appeared in the open jars while the covered jars had no maggots. In your opinion, what additional controls and measurements could Frances Redi have done to prove that rotting of raw meat is caused by live bacteria?
What will be an ideal response?