A friend tosses a ball to you. Which action does your body take first to catch the ball?
O A. Your eyes signal your brain that a ball is approaching.
O B. Nerves signal the muscles in your arms to relax.
O C. Your brain sends a signal to the spinal cord.
O D. Muscles in your arms cause your arms to grab the ball.

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4

Will ! a cell containing a 3% sucrose solution is placed into a beaker containing a 7% sucrose solution. assume the cell’s membrane is permeable to water, but not permeable to the sucrose. where will the water diffuse? explain.

Which factors changed throughout the mice experiment