By using universal terms and anatomical position when identifying human body parts, there is very little room for error or confusion as to which part you are referring.
Both parents' genotypes are Bb (brown blue)
the punnet square would be
BB(kid one) Bb(kid two) Bb(kid three) bb(kid four)
kid one will be homozygous for brown eyes. kid two and three will be heterozygous for brown eyes. kid four will be homozygous for blue eyes
in other words, 75% will have brown eyes. 25% will have blue eyes
Interphase is the cell grows and makes a copy of its DNA's and in m phase the cell separates the DNA's and divide its cytoplasm, forming two new cells