It important to know a person's rhesus factor before a blood transfusion? a patient who is rh+ can receive only rh– blood. a patient who is rh– can receive only rh+ blood. a patient who is rh+ can receive only rh+ blood. a patient who is rh– can receive only rh– blood.

Which of the following will a bacterium produce when a human gene is added to its genome? question 4 options: human carbohydrates a protein made up of both human and bacterial properties the human protein coded for by the human gene human plasmids that can be isolated from the bacterium

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.

The diagram shows a chicken embryo and a human embryo