Compared to the inertia of a 1-kilogram mass, the inertia of a 4-kilogram mass is

A. 16 times as great
B. 1/16 as great
C. 1/4 as great
D. 4 times as great

please help.

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes