Gregor Mendel, Father of Genetics. Studied pea plants., Reginald Punnett, Created the punnett square., Punnett Square, shows all the genes that parents can give to their offspring (babies)., Gene, Small piece of DNA, Allele, Different forms of the same gene., Dominant, The stronger allele. Always shows up, even if a weaker gene is there too. We use a capital letter to show it., Recessive, The weaker allele. It will hide if a stronger one is there too. We use a lowercase letter to show it., Inherit, When things are passed down from a parent to a child., Meiosis, making four special cells to make offspring., Heterozygous, When two alleles are different. Like Bb., Homozygous, When two alleles are the same. Like BB (dominant) or bb (recessive)., Phenotype, This is what you actually look like. This is like brown hair or a purple flower., Genotype, The two alleles or genes you have. Like Bb or aa.

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