Traits & Environment Pp38 - 42. What are traits? Hair color Eye color HeightWeight Male vs. Female.

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Presentation transcript:

Traits & Environment Pp

What are traits? Hair color Eye color HeightWeight Male vs. Female

Genotype DNA: The chemical code that you inherit from your parents (1/2 from each parent). This DNA directs the production of proteins. DNA: The chemical code that you inherit from your parents (1/2 from each parent). This DNA directs the production of proteins. Chromosome: Is a section of DNA. Humans have 46 chromosomes. Chromosome: Is a section of DNA. Humans have 46 chromosomes. Gene: Is a piece of a chromosome the control one trait. Gene: Is a piece of a chromosome the control one trait. Genotype: An organism genetic makeup. Genotype: An organism genetic makeup.

Question: How are genes, DNA, and chromosomes related? How are genes, DNA, and chromosomes related?

Phenotype Hair color in humans Hair color in humans Height Height Phenotype is what an organism looks like. Phenotype is what an organism looks like. Phenotype can be controlled by genes and the environment. Phenotype can be controlled by genes and the environment.

Question: Explain the difference between an organisms phenotype and genotype. Explain the difference between an organisms phenotype and genotype.

Question: Describe 2 factors that determine the phenotype of a trait. Describe 2 factors that determine the phenotype of a trait.