Transcription of Patterns in Pedigrees A - sepuplhs.org
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Patterns in Pedigrees A - sepuplhs.org
D-56 As you now know, genes are inherited and affect the characteris-tics of an organism. By growing Nicotiana seedlings, you ve seen how a trait is inherited. You have also seen how Punnett squares can help make predictions about inherited traits in large numbers of offspring. Studying human inheritance is more difficult. Scientists cannot perform breeding experiments on people. They must use other approaches when studying human genetics. Family histories, such as the one shown below, provide one way to gather evidence about inherited traits in Patterns in Pedigreesproblem solvingAlbertVictoriaQueen of England (1819 1901)VictoriaFrederickEdward VIIA lexandraAliceLouis of HesseIreneHenryFredAlixNikolas IIof RussiaWaldemarPrinceSigmund of PrussiaHenryOlgaTatianaMarieAnastasiaAle xisWilhelm IISophieof GreecePrincess MargaretQueen ElizabethPrince PhillipPrincessAnnPrinceCharlesPrinceAnd rewPrinceEdwardnormal Femalenormal Malehemophilic Malecarrier FemaleGeorge VGeorge VIA PArtiAl pedigree of HemoPHiliA in tHe royAl fAmilies of euroPeD-57 How can you use Pedigrees to study human traits?
D-57 How can you use pedigrees to study human traits? Procedure Work with your group to read and discuss pedigrees. What is a Pedigree? One approach to studying genes in humans and other organisms is to collect
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