What do we mean when we say genotype and phenotype? Where do eukaryotic cells contain their DNA? What is the process of transcription? Why is transcription necessary in a cell? How is RNA different than DNA? What does the m in mRNA stand for? How does mRNA carry information? What is the job of the ribosome in the cell? How does the ribosome use the mRNA template to perform its function? What are amino acids? What are proteins? How do proteins affect physical traits in an organism? What do we mean when we talk about gene expression? What are some of the ways cells control gene expression? How can all of the cells in your body contain identical DNA but develop differently? What is meant by the term inheritance in the field of genetics? What is an allele? What is meant by the terms homozygous and heterozygous? How do dominant alleles and recessive alleles differ? How do molecules of DNA ultimately result in the physical traits we display?.