Genes

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  • DNA

Genes

• Gene regulation

• Section of DNA for making a protein.

  • What is a gene? ;; A section of DNA that makes a protein

• Unique sequence of bases

• These proteins and combinations give us a Phenotype which determines what we look like.

  • What is a phenotype? ;; Unique combinations of genes resulting in changes in our physical appearance.

• Different genes produce different proteins.

• EX:

  • CATCAT = Purple Hair
  • TACTAC = Yellow Hair

Human DNA - Genes

• Genes are sections of DNA where genetic information is expressed.
• Homologus Chromosomes

Alleles

• Different form of one gene. Difference in specific traits. Red, blond, etc hair.
• What are alleles? ;;; What is the different form of a gene that results in differences in a particular physical trait?