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Chromosome #21 contains a gene, "$" which causes uneven pigment to form in the cheek region. If "$" is present then your child will have cheek freckles.
Place your baby's genotype for freckles in the data table.
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Finally on chromosome #9 there is data in the form of a gene "@". If your baby has "@" there will be freckles on the forehead! ("@@" underlined, represent the recessive genes)
Place your baby's genotype for freckles in the data table.
Back to Student's Instructions and Materials Back to Genotype -> Phenotype Classroom Booklet
