Patterns of Inheritance Chapter 10. Gregor Mendel Austrian Monk (1800’s) Mathematician Heritable factors Peas.

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Presentation transcript:

Patterns of Inheritance Chapter 10

Gregor Mendel Austrian Monk (1800’s) Mathematician Heritable factors Peas

Mendel’s Traits

Generations

Mendel’s 4 Theories Alternate forms of genes exist (Alleles) 2 genes per trait Gamete only carries one allele Dominance vs. Recessive

Testcross

Probability

Mendel Got Lucky Incomplete Dominance Multiple Alleles Pleiotropy Polygenic inheritance Linkage

Incomplete Dominance RRRrrr

Multiple Alleles

Pleiotropy

Polygenic Inheritance

Other Info Chromosomes determine sex in many species, not just humans Sex chromosomes carry other genes –Sex linked –Some diseases have sex linkage component

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