A. The allele frequency of a population changes due to a bottleneck.
This is because genetic drift happens because of chances events such as founder effect of bottleneck effect
Explanation:
Tho i can see no arrow but there is probability of 75% that a fourth child suffers the disease of the parent
Stroma is what's connecting the stack of thylakoids (granum) with each other
The answer is D. This is referred to as reflex reaction. Reflex is the instantaneous and involuntary reactions to a stimuli. Reflex arc does not pass through the brain so the reaction time is shorter than normal. This is a adaptation to increase survival.
