Match each planet with the correct characteristic. 1. closest to the sun uranus 2. retrograde rotation venus 3. wobble stabilized by moon mars 4. flood plains indicate past water mercury 5. most massive neptune 6. least dense jupiter 7. axial tilt almost 90° saturn 8. predicted by mathematical calculations earth

1. closest to the sun: Mercury

2. retrograde rotation: Venus

3. wobble stabilized by moon: Earth

4. floodplains indicate past water: Mars

5. most massive: Jupiter

6. least dense: Saturn

7. axial tilt almost 90°: Uranus

8. predicted by mathematical calculations: Neptune

multiple allele inheritance is traits controlled by more than 2 alleles (ex: pigeons having 3 alleles of one gene govern their feather color).   so the answer is a.