In a fruit embryo, the end that becomes the head contains high amounts of the protein bicoid. What may happen if you injected high levels of bicoid in the other end of the embryo?
A. It would fail to develop a head.
B. It would develop two heads.
C. Legs would grow out of its head.
D. It would not grow legs.
E. It would not have segments.
Answer: B. It would develop two heads.
You might also like to view...
Which of the following characteristics do not occur in ANY cyanobacterium?
A. undergoes photosynthesis B. poisons natural bodies of water C. generates oxygen D. generates methane E. detects the Earth's magnetic field
Overdrawing water from an aquifer can lower the ____
a. evaporation levels b. precipitation levels c. water table d. quality of drinking water e. salt content
Which of the following is correct regarding the blind spot?
A. It's an area of the retina where rods and cones are concentrated. B. It's caused by a nontransparent area on the cornea. C. It's an area of the retina where there are no rods or cones. D. It's caused by a nontransparent area on the lens.
Formation of NADPH When NADP+ _____ electrons and hydrogen ions in the light reactions, NADPH is formed through _____.
a) donates, oxidation b) accepts, oxidation c) donates, reduction d) accepts, reduction