The pattern of cleavage in an egg is determin | vedclass

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(A) The pattern of cleavage in an egg is primarily determined by the amount and distribution of yolk within the egg cytoplasm.$1$. Yolk acts as a phys

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Distribution of yolk

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(A) The pattern of cleavage in an egg is primarily determined by the amount and distribution of yolk within the egg cytoplasm.$1$. Yolk acts as a physical barrier that slows down or inhibits the cleavage furrow.$2$. In eggs with little yolk (isolecithal),cleavage is holoblastic (complete).$3$. In eggs with a large amount of yolk (telolecithal or centrolecithal),cleavage is meroblastic (incomplete).Therefore,the distribution of yolk is the deciding factor for the cleavage pattern.

The pattern of cleavage in an egg is determined by which of the following?

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