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Transcript
Hierarchy of Genetics DNA -codes for Genes Genes - are sections of DNA on a chromosome - They determine the traits that show up in an organism -Different forms of a trait that a gene may have are called alleles Chromosomes - you have 23 pairs of chromosomes in the nucleus of each cell - Half of each pair you inherited from your mom - The other half you inherited from Dad Answer the following questions: 1. Where do the codes for genes come from? 2. What is the definition of a gene? 3. What is an allele? 4. Give two alleles for eye color in flies 5. How many chromosomes does each person have, and where did they come from? 6. Put these in order from the smallest to the largest: Gene Chromosome DNA
