What term refers to the failure of homologous chromosomes to separate during meiosis I?
A. inversion.
B. translocation.
C. trisomy.
D. nondisjunction.
E. disjunction.
Answer: D. nondisjunction.
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In an atom, the number of neutrons determines most specifically the ________.
A. chemical properties B. chemical element C. ion state D. isotope
You are observing a tissue under the microscope and notice dark concentric circles of matrix and osteocytes in lacunae. You identify this tissue as __________.
a. connective tissue b. bone tissue c. simple squamous epithelium d. simple cuboidal epithelium e. stratified squamous epithelium
Plants that are called C4 plants are better able to utilize ________ than C3 plants.
A. oxygen B. minerals C. water D. carbon dioxide E. chlorophyll
What are the differences between dysploidy and polyploidy?
What will be an ideal response?