That's because the accumulation of fat is an inherited characteristic, like eye color, nose shape, hair distribution and skeletal height.
(That; 's; because the accumulation of fat is an inherited characteristic, like eye color, nose shape, hair distribution and skeletal height) (the accumulation of fat; is; an inherited characteristic)
That the accumulation of fat
's is
because the accumulation of fat is an inherited characteristic, like eye color, nose shape, hair distribution and skeletal height
an inherited characteristic