Taxol, extracted from the Pacific Yew tree, is a common chem…

Taxol, extracted from the Pacific Yew tree, is a common chemotherapy drug. Taxol binds to microtubules and stabilizes them, preventing their breakdown and thus preventing the completion of cell division. Cells treated with Taxol will be arrested in which stage of mitosis? [blank1] Which cell cycle checkpoint will these cells not be able to pass? [blank2]

Feather color in budgies is determined by two different gene…

Feather color in budgies is determined by two different genes, Y and B, one for pigment on the outside and one for the inside of the feather. YYBB, YyBB, or YYBb is green; yyBB or yyBb is blue; YYbb or Yybb is yellow; and yybb is white.   A blue budgie is crossed with a white budgie. Which of the following results are NOT possible?