Because the components of maternal cytoplasm suppress the components of paternal cytoplasm. HOPE THIS HELPS!
<span>There would be
a delay between the ECG pattern and the resulting beat of the heart because it
takes time for the pulse to travel from the systole (ventricular contraction)
to the radial artery. Pulse cannot be felt in the finger. It can be felt with a
pulse oxymeter.</span>
The answer is ATP molecules being produced, this happens in light and dark.
All of the other options are either directly related to light/photosynthesis or are needed to complete it.
