What can be concluded from the diagram?
A: Both the mother and father are homozygous for Normal hemoglobin.
B: Both the mother and father are carriers for sickle-shaped hemoglobin.
C: The offspring has Normal hemoglobin.
D: Both A and
A: Both the mother and father are homozygous for Normal hemoglobin.
B: Both the mother and father are carriers for sickle-shaped hemoglobin.
C: The offspring has Normal hemoglobin.
D: Both A and
举一反三
- 1. A normal couple has a color-blind son. Where does the color-blind gene of the sone from? A: Father B: Mother C: Half of both father and mother D: Either father or mother
- Which of the following sentences is right？ A: Both father and as well as mother love me. B: Father as well as mother loves me. C: Both father as well as mother loves me. D: Not only father but also mother love me.
- My father and mother are both fond of _____ A: swim B: swiming C: swimming
- ______ my mother and my father like watching TV. A: Both B: Either C: All
- They （） going to see my mother this Sunday. A: both B: both are C: are both of D: are both