The trait "vestigial wings" in the fruit fly drosophila results from a recessive mutation, vg- . assuming that the population is in hardy-weinberg equilibrium, what is the frequency of heterozygotes (vg+ /vg- ) in a population whose frequency of vestigial winged flies is 1 in 10,000?

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion