Fraternal twins in man are produced when
Fraternal twins in man are produced when
- A
Two sperms fertilize an ovum and the first two blastomeres separate from each other
- B
One sperm fertilizes an ovum and first two blastomeres separate from each other
- C
Egg develops parthenogenetically and first two blastomeres separate from each other
- D
Two ova are fertilized simultaneously
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If ovaries of a pregnant mammal are removed
If ovaries of a pregnant mammal are removed
In human female the blastocyst
In human female the blastocyst
- [AIPMT 2010]
Write a note on pregnancy and embryonic development in human beings.
Write a note on pregnancy and embryonic development in human beings.
Choose the correct pair -
Choose the correct pair -
The point of sperm entry during fertilization forms
The point of sperm entry during fertilization forms