Incomplete Dominance {Ans: Situation in which one allele is not completely dominant over another allele}Watson and Crick {Ans: Developed the double helix model of DNA.}Isotonic {Ans: when the concentration of two solutions is the same and the cell stays the same size}ribosomes {Ans: Makes proteins}Multiple Alleles {Ans: three or more forms of a gene that code for a single trait. Blood type - has alleles A, B and O}recessive disorder {Ans: an illness that a child gets by inheriting two copies of the abnormal gene that causes the disorder}Inference {Ans: A conclusion reached on the basis of evidence and reasoning}eukaryotic cell division {Ans: mitosis and meiosis}Polygenic Traits {Ans: traits controlled by two or more genes}ATP (adenosine triphosphate) {Ans: main energy source that cells use for most of their work}homozygous recessive {Ans: Both alleles (factors) for a trait are the same and recessive (aa)}Alcoholic fermentation {Ans: the anaerobic process by which yeasts and other microorganisms break down sugars to form carbon dioxide and ethanol}Allele {Ans: Different forms of a gene}Example of a eukaryotic cell {Ans: }active transport {Ans: Energy-requiring process that moves material across a cell