red-green color blindness is a sex-linked recessive trait in humans. the normal, dominant allele is symbolized with xn, and the recessive allele is symbolized with xn. two people with normal color vision have a color-blind son. what are the genotypes of these parents?

4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.