(a) How does the embryo get nourishment inside the mother's body?
(b) If the blood group of father is A and the blood group of mother is o, what will be the
blood group of their daughter? Explain how you have arrived at your answer.
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a) Embryo derives its nourishment from the mother's blood through the placenta. Placenta contains villi on the side of the embryo and blood vessels surrounding villi on the side of the mother. Oxygen and glucose pass from the mother to the embryo through the placenta.
b) If the Mother's blood type is B, and the father's blood type is O, then their child must be either B or O. ... In this case, the child is "pure-bred" for the A gene. The child can only pass on an A gene to his offspring.
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