Different variations of a gene are called alleles.
Answer:

Explanation:
It is given that out of 40, total 5 specimen are selected.
Thus, the number of ways in which 5 specimens are selected from a given sample of 40 is given by

Number of specimen with certain trait is equal to 3.
Now, total 5 specimen are selected out of which one specimen is selected from the set of specimen that has certain trait (i.e out of 3) while the remaining four specimen will be selected from the rest
specimen.
Thus, the probability of choosing only 1 of the 5 specimens with the trait is equal to

Answer:
They all have the same structure as the human.
Explanation:
Find how much the fraction that is shaded and that is the answer
<span>The hydrologic, rock and tectonic cycles are all interconnected. In the rock cycle, water moves regolith during EROSION, and the tectonic cycle resurfaces rock through UPLIFTING.
In short, the answer would : erosion, uplifting.
Hope this helps !
Photon</span>