In development, nervous system (brain, spinal cord, nerve cells) is
Ectodermal
Endodermal
Ectomesodermal
Endomesodermal
Additional Questions
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In a mammalian sperm, spirally arranged mitochondria around an axial filament occurs in |
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Important sperm lysine used for dissolving egg covering is |
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Implantation occurs after |
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If mammalian ovum fails to get fertilized, which one of the following is unlikely? |
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Identical twins in human beings is an example of |
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Hyaluronidase is present in |
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Human gametes differ from all other body cells as |
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The single layer of germinal epithelium covering the ovary is composed of |
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Human female reaches menopause at the age of about |
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Human embryo is protected by |
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