Punnett squares are very simple. You can draw a punnett square. It is so easy to draw that a child could draw it. There is a punnett square at the bottom of this page. You can use punnett squares to do genetics problems. Genetics problems are easy to solve with punnett squares. It is easier to figure out the problem.
Punnett squares are used to solve genetics problems in science class. The females alleles(letters) are one the top. The males alleles are on the side. Then, to solve the problem, you just cross it. The uppercase letter always goes first when you write it down in the smaller squares. That is how you use a punnett square like the one below.
Punnett squares are only used to solve genetics problems. At least I think they do. We got punnett squares from a scientist who used different colored peas to do so. If the r were for red hair, all of the children would get red hair. Even though they have genes for non red hair, the big r overpowers the little r.
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