Bio Inheritance

Bio Inheritance - Patterns of Inheritance Chapter 10...

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Patterns of Inheritance Chapter 10 Genetics and Inheritance The concept of inheritance is ancient Kids often look like their parents. But inheritance mechanism(s) were not known... We knew that children (outputs) often look similar to their parents (inputs) But how these traits were transmitted was a mystery... 10.1 Mendel's Laws • Gregor Mendel is considered the father of genetics from his pivotal research into inheritance in pea plants in the mid-1800s • He had no knowledge of DNA, Chromosomes, Meiosis, etc. • Mendel used the scientific method to study inheritance Mendel's Laws 1. The basic units of inheritance are material elements 2. These elements come in pairs 3. These elements retain their character through many generations 4. Pairs of these elements separate during the formation of gametes Mendel's Laws Revisited 1. Genes: the basic units of inheritance are material elements, now called genes o Genes are elements of DNA located on chromosomes 2. Diploid: these elements come in pairs (i.e. Diploid organisms possess two copies of each chromosome)
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  • Fall '09
  • Valenza
  • Genetics, multiple allele traits

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