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Question
What is present in the vegetal pole of the frog's egg?
What is present in the vegetal pole of the frog's egg?
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Solution
The correct option is C Yolk
Amphibians have mesolecithal eggs, which have moderate amount of yolk. The pigment granules reside in the cortical cytoplasm of the egg within the plasma membrane and are more abundant in the animal hemisphere. The yolk is distributed throughout the cytoplasm of the egg but is much more concentrated toward the vegetal pole end of the egg. Hence, option C is correct.
Amphibians have mesolecithal eggs, which have moderate amount of yolk. The pigment granules reside in the cortical cytoplasm of the egg within the plasma membrane and are more abundant in the animal hemisphere. The yolk is distributed throughout the cytoplasm of the egg but is much more concentrated toward the vegetal pole end of the egg. Hence, option C is correct.
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