Which of the following represents a normal gamete?

A. Dd Rr

B. DRr

C. Dr

D. DdR

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Everything in the universe originated from a single point. how was it possible for everything in the universe to have occupied a single point in space?

Select the correct answer from each drop-down menu the images show fossils of a modern bird and two extinct organisms (a tyrannosaurus rex and an archaeopteryx). based on the structure of the three organisms, it can be concluded that the archaeopteryx and bird have wings, while dinosaurs have limhe se it can be concluded that