A homozygous dominant brown mouse is crossed with heterozygous brown mouse. What percentage will the offspring be homozygous recessive? Use the letter “b”

A homozygous dominant brown mouse (BB) crosses with a heterozygous brown mouse (Bb)

What percentage might be homozygous recessive (bb)?

If we draw a Punnett Square, we get BB, BB, Bb, and Bb.

0% We don't have homozygous recessive. 50% is homozygous dominant and the other 50% is heterozygous.

as many times as you want

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.