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7th Grade Genetics by Mind Map: 7th Grade Genetics
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7th Grade Genetics

What is genetics?

The study of heredity and how traits are passes on.

Where is genetic information stored?

DNA

On Chromosomes made from DNA

Each three letter code ACG codes for an amino acid

amino acids

What does DNA do?

Codes for amino acids

Amino acids create proteins

How do genes determine how things look?

Trait

Physical Characteristic

Gene

Piece of DNA that codes for a specific trait

Allele, Dominant, B, Recessive, b, B or b

Genotype

BB, Bb, bb Two genes, one from each chromosome

Heterozygous, Hybrid

Homozygous, Purebred

Phenotype

What it looks like Brown eyes

Genetic Crosses

P - Parental Generation

F1 - first offspring

F2 - offspring of the first offspring