9.Which statement is TRUE about the Punnett squares in A and B?


I. In diagram A, white is dominant over black while in diagram B red is dominant over white.
II. Diagram A shows a codominance pattern of inheritance while diagram B shows an incomplete pattern of inheritance
III. In diagram A, the parents produce offspring with a phenotype in which both parental traits appear together while in diagram B, the parents
produce offspring with a phenotype that is a blending of parental traits
IV. Diagram A describes a cross among parents of different phenotypes while diagram B describes a cross between parents of the same

A.I
C. Both II and III
B. II
D. Both II and IV

10. A couple has a colorblind son, but all their daughters have normal vision. What are the genotypes of this couple?
Α. ΧnXn and XnY
C.XnX and XnY
B. XnXn and XnY
D.XNXn and XnY​