Answer: G with C
Explanation: G (Guanine) and C (cytosine) always binds together as well as (Adenine) and T (thymine).
If penetrance is high, it is more likely that the phenotype of the disease will be exhibited if the genotype is present.
Hope I helped!
The easiest example is of Pentadactyl limbs. This is the 5 bone structure of the 'arm' of different animals being similar, contributing to the explanation of common ancestors. Animals that have this are whales, horses, dogs, cows, birds and even humans. We each share the same five bones in similar places but with some of them changed to suit certain functions ie birds are more spread to support flying, while humans are made for throwing, picking up and holding things.
Well because they need to survive. And whoever gets the most food will grow the biggest and produce the most offspring. This even happens between inter species like ants, an example of this is when the red imported fire and caused the near extinction of the native argentine ant in the United States
