MCQ
Pattern of cleavage in frog's egg is:
- AHoloblastic
- BHoloblastic and unequal
- CHoloblastic and equal
- DAll of the above
✓
Answer
- Holoblastic and unequal
Explanation:
In frog, fertilisation is external and takes place in water.
Zygote undergoes cleavage and develops into morula and blastula.
The cleavage is holoblastic and unequal.
Holoblastic cleavage means there is total cleavage and it is alsocalled complete cleavage.
It occurs in the eggs which do not have much yolk sac.
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