Where in the cell does the electron transport part of the cellular respiration occur ?

mitochondria

The Krebs cycle and electron transport occur in the mitochondria. The Krebs cycle takes place in the matrix, and electron transport takes place on the inner membrane. During the Krebs cycle, pyruvate undergoes a series of reactions to produce two more molecules of ATP and also several molecules of NADH and FADH2.

b is dominant over the allele for the white fur.

your spelling is a little off : ]