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HEREDITY - Coggle Diagram

- - - - Snapdragons: Red x White= Pink
- - - - Orientation of bivalents is random
    - - Orientation of sister chromatids is random.
  - - - Genetic diversity
      - Bet-hedging to novel environments
      - Multiple deleterious alleles can bunched
      - Escape host-parasite negative impacts.
- - - - Each gamete contains only one allele for each gene.
      - Offspring inherit 2 alleles for a gene.
      - Alleles are segregated, separated, from one another during meiosis.
      - During meiosis, 2 members of a gene pair separate from each other.
    - - Gene pairs that are not related (homologs) segregate.
      - Gene pairs that are not linked segregate independently.
      - Evidence provided from a dihybrid cross: 3:1 phenotypic ration for each of the 2 alleles
    - - Each individual has a unique genotype
      - Genotype is made up of alleles
      - Phenotype determined by these alleles. There is no guarantee that an allele will manifest.