Bell Ringer: Red hair is recessive to brown hair and left handedness is recessive to right handedness. A red haired man is heterozygous for handedness marries a left handed woman who is heterozygous for hair color. Describe the probability of their children having the following phenotypes:
red hair/right handed? brown hair/right handed? red hair/ left handed? brown hair/left handed?
Next we watched a clip from Nova "Cracking the Code" Then we reviewed point and chromosome mutations and did a point mutation lab using m&m's. Last of all students worked on a crossword puzzle.
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