The repressor theory of activation of fertili | vedclass

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(B) The repressor theory of fertilization,also known as the 'repressor hypothesis',was proposed by $Runnstrom$ in $1949$. According to this theory,the

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Runnstrom

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(B) The repressor theory of fertilization,also known as the 'repressor hypothesis',was proposed by $Runnstrom$ in $1949$. According to this theory,the egg cytoplasm contains a repressor substance that inhibits the metabolic activities of the egg. Upon fertilization,the sperm introduces an activator that neutralizes or removes this repressor,thereby initiating the metabolic processes required for embryonic development.

The repressor theory of activation of fertilization was proposed by:

Similar Questions

Statement-$I$: The trophoblast layer gets attached to the endometrium and the inner cell mass gets differentiated as the embryo.
Statement-$II$: The morula becomes embedded in the endometrium of the uterus.

Which chemical present in the ovum attracts the sperm?

Fertilization is the fusion of:

The structure formed as a result of the fusion of gametes in a species is known as:

$A$: Fertilizins are glycoproteins present on the surface of the egg membrane.
$R$: They help in the agglutination reaction by interacting with anti-fertilizins on the sperm surface to facilitate fertilization.

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