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X Chromosome (1336 Genes). Female. Male. Inactive X Chromosome (“Barr Body”). Fig. 7-9. Embryo. Paternal X chromosome inactivated. Maternal X chromosome inactivated. Anhidrotic Ectodermal Dysplasia. Fig. 7-12. G C C T A C G A T T C G G A T G C T A A. G C C T A C G A T T
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X Chromosome (1336 Genes) Female Male
Inactive X Chromosome (“Barr Body”) Fig. 7-9
Embryo Paternal X chromosome inactivated Maternal X chromosome inactivated
Anhidrotic Ectodermal Dysplasia Fig. 7-12
G C C T A C G A T T C G G A T G C T A A G C C T A C G A T T C G G A T G C T A A G C C T A C G A T T C G G A T G C T A A G C C T A C G A T T C G G A T G C T A A
14;21 Translocation 14 14 21 21 14;21
Familial Down Syndrome Karyotype of offspring
Meiosis and Mendel’s Law of Segregation Gg g G Fig. 3-11
Gg/Ww Meiosis and Mendel’s Law of Independent Assortment Gw gw GW gW Fig. 3-11
Pedigree Symbols Fig. 3-13
Gibberellin Gg/Ww Meiosis and Mendel’s Law of Independent Assortment D allele Gw gw GW gW Fig. 3-11
Gibberellin Gg/Ww Meiosis and Mendel’s Law of Independent Assortment d allele Gw gw GW gW Fig. 3-11
Gg/Ww Meiosis and Mendel’s Law of Independent Assortment Genotype DD or Dd Gw gw GW gW Fig. 3-11
Gg/Ww Meiosis and Mendel’s Law of Independent Assortment Genotype dd Gw gw GW gW Fig. 3-11
“A” Antigen H substance H substance Precursor A Blood Group
B Blood Group H substance H substance Precursor “B” Antigen
“A” Antigen AB Blood Group “B” Antigen
Pedigree for “Bombay” Phenotype Fig. 4-3
F2 Ratios Observed in Epistasis * * * * * Recessive Epistasis * Fig. 4 - 8 Dominant Epistasis
I II III X Linked Pedigree
Fig. 4 -1 1 : 2 : 1
Continuous Variation Tall Short
Phenotypic Classes Number of Genes 5 2 7 3 9 4 11 5 Fig. 24 - 3