Answer:
The punnet square would look like this.
R R
R RR RR
B RB RB
Include grand parents.
Nuclear family is a family group with 2 parents and their children. This is a type of family structure. It typically centered on married couple. This is in contrast to other family group such as single parent, extended types. Extended family extends beyond the nuclear family usually extended by grand parents. Usually they live under one roof. Certain family structure has advantages and disadvantages. This is also affected by the culture and way of living of the family.
The answer is D. It allows population to become genetically different
Man ask your teacher
It’s helps
C that is formation of red blood cells eg leukemia in which the bodys ability to produce red cells is disturbed