The first phase in the sexual reproduction of organisms is

Related Questions

1. In frog, gastrulation is completed by
2. During fertilization the spermatozoa penetrate through the egg membranes with the help of
3. Laternal line system of sense organs present in the skin of tadpole larva
4. Blastopore in frogs development occurs in
5. Grey cresent is present in
6. During metamorphosis, the disappearance of larval organs is called
7. Spermatoliosis is a process by which
8. Metamorphosis is a characteristic feature of
9. A freshly unfertilised egg of hen contains
10. The process of synthesis of yolk by the oocyte is termed
11. Meroblastic cleavage is found in
12. In order to become structurally and functionally a spermatozoan, each spermatid has to undergo a process…
13. Human beings are
14. In frog's egg the divisoin is
15. The nervous system, epidermis and hairs and nails are derivatives of
16. A true coelom is covered by
17. When the eggs are released from the ovary of frogs they are at the
18. How many cleavages are completed in 16 cell stages of frog's egg ?
19. Oral contraceptives check
20. Sexual reproduction in larval condition is known as
21. The intestine of tadpole is
22. Antifertilizin is secreted by
23. The allantoic vesicle arises from
24. The formation, development and matura- j tion of the female gamete is called
25. The first phase in the sexual reproduction of organisms is
26. Human egg is
27. The substance fertilizin is secreted by
28. Development of egg without fertilization is termed as
29. The formation of the neural tube is known as
30. Constructive change in the development of frog from tadpole is

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