1 How many chromosomes are there in the human (a) ovum (b) liver cell ?

2In tobacco plant, the male gametes have 24 chromosomes. State the number of chromosomes in (i) egg nucleus, (ii) zygote, (iii) endosperm and (iv) leaf cell.
3 Aman 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?

Please answer this fast......

1.All the cells of human body except gamete cells (sperm and egg) contain 46 (23 pairs) of chromosomes while as gamete cells (sperm and egg) have 23 chromosomes only. So ovum contains 23 ‚Äč chromosomes while liver cell contains  46  of chromosomes.


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