Ascientist notes that some individual fish survive better in low-oxygen environments than others of the same species. she decides to compare the genes that code for hemoglobin, the protein that transports oxygen in the blood. the table below shows the dna sequences for hemoglobin isolated from individual fish of this species. it also shows each individual's phenotype. how did these differences in dna sequence arise, and should the scientist characterize the phenotypes as , harmful, or neutral?

What does the term mandate” mean in terms of civil rights and liberties?

Which two words in this excerpt from the count of monte cristo can be used as synonyms to determine the meaning of the word grotto? dantès entered the second grotto. the second grotto was lower and more gloomy than the first; the air that could only enter by the newly formed opening had the mephitic smell dantès was surprised not to find in the outer cavern. he waited in order to allow pure air to displace the foul atmosphere, and then went on.

Read the paragraph and answer the question that follows: the town of belmond, iowa, needs to add weather sirens. the loud and steady wail would warn citizens of approaching danger. if past history is an indication, the sirens will save hundreds of lives. with a prediction of a deadly storm season, the alert which sentence should be revised to eliminate redundancy? the town of belmond, iowa, needs to add weather sirens. the loud and steady wail would warn citizens of approaching danger. if past history is an indication, the sirens will save hundreds of lives. with a prediction of a deadly storm season, the alert system is needed immediately.