A woman who has blood type A has a daughter who is type O and a son who is type B. what is possible phenotype for the father?

Which of th following is needed for cellular respiration to occur

Need asap plz hurry im being timed when a body cell divides through the process of mitosis, the chromosomes in the daughter cells a. represent only the healthiest chromosomes from the parent cell. b. represent only half of the chromosomes in the parent cell. c. are identical to the chromosomes of the parent cell. d. are formed when chromosomes from the parent cell cross over.

What two conditions must be present for osmosis to occur?