Heredity. :The inheritance of traits Heredity Terms Genes: Sections of DNA that code for a trait.

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Presentation transcript:

Heredity

:The inheritance of traits

Heredity Terms Genes: Sections of DNA that code for a trait.

Heredity Terms Alleles: Different forms of a gene that code for a trait. One from mom, one from dad.

Heredity Terms Alleles: - Homozygous: The same. BB

Heredity Terms OR…. bb

Heredity Terms Alleles: - Heterozygous: Different. Bb

Heredity Terms Purebred: Having the same alleles for a trait. BB or bb

Heredity Terms Hybrid: Having different alleles for a trait. Bb

Heredity Terms Genotype: The actual alleles together BB,Bb,bb

Heredity Terms Phenotype: The observable trait. Black or Lavender

Punnett Squares : Created by Mendel to predict offspring traits.

Punnett Squares 2 trait cross: AaBb x AaBb (foil)

Punnett Squares 3 trait cross: AaBbCc x AaBbCc Figure it out! (Draw a punnett sqare and line them up. Then fill in the squares)