1) How many chromosomes do humans have? a) 2 b) 23 c) 46 d) 36 2) What is the genetic material that controls an organism's inherited traits called? a) chromosomes b) traits c) characteristics d) heredity 3) Where are chromosomes found inside which of the following structures of a eukaryotic cell? a) in the vacuole b) in the nucleus c) in the mitochondria d) in the cell wall 4) What part of DNA gives instructions to a cell for expressing traits? a) a genotype b) a gene c) a phenotype d) a homologous pair 5) What does DNA contain? a) instructions for inherited traits b) instructions for learned behaviors c) instructions for energy transfer  d) instructions for searching for food 6) If a fish has 55 chromosomes how many chromosomes does the fin cell of the fish have? a) 100 b) 10 c) 55 d) 5 7) Which cell components are responsible for the inherited traits that a pea plant possesses? a) chromosomes, mitochondria, vacuoles b) genes, cytoplasm, cell membrane c) DNA, nucleus, chromosomes d) DNA, proteins, chloroplast 8) What is the relationship between DNA and chromosomes? a) DNA and chromosomes are the same thing. b) All of the above are correct c) DNA is made of chromosomes d) Chromosomes are made of DNA 9) How many pairs of chromosomes exist in each of your cells? a) 10 b) 23 c) 12 d) 46 10) Why are your chromosomes arranged in pairs? a) Scientists have no idea b) Because pairs can divide easier c) Because DNA is awesome d) You get one from your mom and one from your dad 11) Which of your body cells contain DNA? a) Only your bone cells b) Only your reproductive cells, like egg or sperm c) Most all of the cells in your body d) Only your blood cells 12) Put in order smallest to largest: a) Gene - DNA - Chromosome b) Chromosome - DNA - Gene c) DNA - Gene Chromosome d) Chromosome - Gene - DNA 13) Which is true about DNA? a) Only animals have DNA in their cells b) DNA contains many genes c) DNA research is simple and quick d) None of the above are true. 14) The passing of genetic traits from parent to offspring. a) heredity b) gene c) trait d) allelle 15) One trait that is ALWAYS present and causes the other traits to disappear is a ________________________ a) recessive trait b) aggressive trait c) absent trait d) dominant trait 16) Which of the following best defines heredity? a) The process of creating more organisms of a species. b) The replication of DNA during cell division. c) The passage of genetic instruction from one generation to the next generation. d) The study of genetic instructions that. are passed from parent to offspring 17) A characteristic that is passed from parent to offspring a) inherited trait b) pedigree c) chromosome d) DNA 18) The hidden form of an inherited trait a) dominant trait b) purebred c) recessive trait d) hybrid

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