Respuesta :
Answer:
1. Bring new alleles from DNA
2. Favor certain alleles
3. Creates new alleles from DNA
4. Randomly selects alleles
Explanation:
1. The zebra enters a separate population, bringing their unique makeup into a group with similar genetic makeup
2. The organisms with genes for shorter heights will eventually die off, favoring organisms with greater height
3. The snake's DNA changes, allowing it to create stronger venom
4. The deaths of the animals weren't planned or the result of greater genes.
- Bring new alleles from other populations A zebra migrates to join a different herd of zebras.
- Favor certain alleles Competition for sunlight leads to taller trees.
- Creates new alleles from DNA The DNA of a snake changes to make its venom stronger.
- Randomly selects alleles A grassfire randomly sweeps through a population of buffalo and kills most of the animals.