- State any one difference between pollination and fertilization.
- A man with blood group A marries a woman with blood group O and their daughter has blood group O. Is this information enough to tell you which of the traits-blood group A or O is dominant? Why?
(a) Pollination is the transfer of male gametes onto female gametes, while fertilisation is the fusion of these two gametes.
(b) The man having blood group A possess two possibilities of antigen present in the blood: IAIA or IAIO
Similarly, the woman with blood group O has no antigen present in the blood: IOIO
The possible antigens present in the blood of their child is
IAIA X IOIO IAIO X IOIO
IAIO and IAIO IAIO and IOIO
But, as the blood group of daughter is O (IOIO), therefore, the man is heterozygous, with blood antigen IAIO.
The above mentioned information is not sufficient to tell if A or O is dominant during blood grouping.
Related Articles
- A man having blood group O marries a woman having blood group B and they have a daughter. What will be the blood group of the daughter?
- Solve the blood grouping question: A man having blood group A marries with a woman having blood group O. They have a child. What will be the blood group of the child?
- (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.
- Describe blood group.
- The blood groups of 30 students of class IX are recorded as follows:A, B, O, O, AB, O, A, O, B, A, O, B, A, O, O,A, AB, O, A, A, O, O, AB, B, A, O, B, A, B, O,A student is selected at random from the class from blood donation. Find the probability that the blood group of the student chosen is A.
- The blood groups of $30$ students of Class VIII are recorded as follows:$A, B, O, O, AB, O, A, O, B, A, O, B, A, O, O, A, AB, O, A, A, O, O, AB, B, A, O, B, A, B, O$Represent this data in the form of a frequency distribution table. Which is the most common, and which is the rarest, blood group among these students?
- The blood groups of 30 students of class VIII are recorded as follows:A, B, O, O, AB, O, A, O, B, A, O, B, A, O, O, A, AB, O, A, A, O, O, AB, B, A, O, B, A, B, ORepresent this data in the form of a frequency distribution table. Find out which is the most common and which is the rarest blood group among these students.
- In which group of animals, coelom is filled with blood?(A) Arthropoda (B) Annelida (C) Nematoda (D) Echinodermata
- How can we check our blood group by experimenting?
- One of the following is not a constituent of blood. This one is:(a) red blood cells (b) white blood cells (c) sieve plates (d) platelets
- What do we call the AB Blood group as the universal recipient?
- What are the possible blood groups likely to be inherited by children born to a group A mother and a group B father? Explain your reasoning.
- (a) What is blood ? Why is it red ?(b) State the functions of blood in our body.(c) Name a circulatory fluid in the human body other than blood.
- Why does the left side of the heart has oxygeneted blood and the right side has deoxygenated blood?
- In Q.1, Exercise 14.2, you were asked to prepare a frequency distribution table regarding the blood groups of 30 students of a class. Use this table to determine the probability that a student of this class, selected at random, has blood group \( \mathrm{AB} \).
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