Answer: Directional selection occurs when individuals with traits on one side of the mean in their population survive better or reproduce more than those on the other. ... Directional selection does the “heavy lifting” of evolution by tending to move the trait mean toward the optimum for the environment.
Answer:
C. The results of a model event may not be similar enough to the results of the actual event.
Explanation:
The problem with models is that sometimes we trust them too much! Sometimes they are not accurate for long-term actual events. This is answer choice C.
- Models are never more accurate than reality, so rule out A.
- The model is based on our predictions of the actual event, so rule out B.
- The model being "too similar" to the actual event is what we want! So rule out D.
Answer:
Possible blood type of their children is type A and type B blood
Explanation:
A person can have type A, type B, type AB or type O blood.
A woman who has type AB blood marries a man with type O blood.
Parents AB x OO
Possible genotypes AO BO
Possible blood type of their children is type A and type B blood
