BS110

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  1. What is polygenic Inheritance?
    When multiple genes affect 1 trait.

    Continous variation is a characteristic of polygenic inheritance. (e.g. height of humans)
  2. Pleitotropy
    • When a single gene affects multiple different traits.
    • Exam a defect in gene which codes for a protein for oxygen transport leads to disfunctions throughout the body (kidney, heart, etc)

    Gene-> protein -> trait 1, 2, 3
  3. Epistasis
    One gene affects the action of another gene (e.g. pigmentation)
  4. Polymorphic traits
    When multiple alleles produce more than two distinct phenotypes (e.g. blood group in humans)
  5. How many Hydrogen bonds do A-T have?
    2
  6. How many Hydrogenbonds between C and G?
    3
Author:
raminra
ID:
16544
Card Set:
BS110
Updated:
2010-04-28 02:07:12
Tags:
Genetics
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Description:
Genetics
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