Biology vocab test 3

• DNA nucleotide


  A molecule consisting of a phosphate group and a sugar with one of 4 bases attached ( A,T,C or G).
• Phenotype


  The visible characteristics of a gene displayed as a result of the interaction between genotype and environment
• Diploid


  Nucleus containing two sets of chromosomes.
• Genotype


  The alleles an individual has for a specific gene, e.g. BB ,Bb or bb
• Mutation


  A change to the base sequence of the DNA
• Allele


  Different forms of a gene
• Gamete


  Reproductive cells of an animal or plant, for example sperm and egg cells
• Meiosis


  Process of cell division that results in four genetically different haploid gametes
• Genome


  The entire DNA of an organism
• Gene


  Section of DNA that codes for a specific protein