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Genetic pedigrees femalemale parents offspring. Genetic pedigree A.

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Presentation on theme: "Genetic pedigrees femalemale parents offspring. Genetic pedigree A."— Presentation transcript:

1 Genetic pedigrees femalemale parents offspring

2 Genetic pedigree A

3 Genetic pedigree A explained Parents phenotype Parents genotype Gametes Genotypes of offspring Phenotypes of offspring Affected x unaffected Hh hh H or hh only 1 affected : 1 unaffected Hh & hh

4 Genetic pedigree B

5 Genetic pedigree B explained:1 Parents phenotype Parents genotype Gametes Genotypes of offspring Phenotypes of offspring affected x unaffected ff FF f onlyF only unaffected - carriers ALL Ff For the first section (parents giving rise to the first generation):

6 Genetic pedigree B explained:2 First generation phenotype First generation genotypes Gametes Genotypes of second generation Phenotypes of second generation offspring unaffected x unaffected (carrier) Ff F or f 3 unaffected : 1 affected 2/3 carriers 1/3 completely unaffected FF Ff Ff ff For the second section ( two carriers giving rise to the second generation):


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