Lec15 - Chromosomal Basis of Inheritance Thursday 10/20/11...

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Chromosomal Basis of Inheritance Thursday 10/20/11 beyond Mendel Polygenic inheritance // Incomplete Dominance Co-Dominance / Multiple Alleles Environmental influence Chromosomal basis of inheritance: X-inactivation in females gene linkage non-disjunction in meiosis monosomy, trisomy…… chromosomal mutations Last outline included information on the pedigrees (inheritance patterns) – I have posted those online under handouts. Monday: 3:00-4:00 office hours 7:00-8:00pm review JH 122 (lab)
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X Chromosome Inactivation: in females which if heterozygous e.g.,
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Gene Linkage : crossing over during meiosis exchanges alleles when genes are crossed the resulting chromosomes if the genes are on the same chromosome AND close together, fig 24.5 the closer together
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Chromosomes not splitting during Meiosis: Meiosis - process of making gametes Errors in meiosis - - nondisjunction -- during Meiosis I – during Meiosis II - Note:
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This note was uploaded on 01/18/2012 for the course L 100 taught by Professor Dr.susanhengeveld during the Fall '11 term at Indiana.

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Lec15 - Chromosomal Basis of Inheritance Thursday 10/20/11...

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