The region of the Y chromosome have a male-specific DNA sequence that encodes a peptide of 223 amino acids. This gene is called:

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#Question id: 28280

#Unit 5. Developmental Biology

 Species specific recognition of sea urchin gametes can occur at the various level such as____ 

a) sperm attraction 

b) sperm activation

c) the acrosome reaction

d) sperm adhesion

e) Cortical Granules reaction

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#Question id: 28281

#Unit 5. Developmental Biology

Fusion is an active process, often mediated by

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#Question id: 28282

#Unit 5. Developmental Biology

In sea urchins, which of the following protein plays a second role as a  fusogenic protein? 

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#Question id: 28283

#Unit 5. Developmental Biology

Following statements are related to fast block to polyspermy, which statement is incorrect?

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#Question id: 28284

#Unit 5. Developmental Biology

In the Fast block to polyspermy, after the binding of the first sperm, the membrane potential shifts from

TLS Online TPP Program

#Question id: 28285

#Unit 5. Developmental Biology

If the egg cell membrane potential is positive resting potential, then_____