194k views
5 votes
What is directional selection

User Ignasi
by
5.8k points

2 Answers

7 votes

Answer:

Form of natural selection in which the entire curve moves; occurs when individuals at one end of a distribution curve have higher fitness than individuals in the middle or at the other end of the curve

Step-by-step explanation:

User Fiz
by
5.5k points
5 votes
In population genetics, directional selection is a mode of natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype
User Karatedog
by
5.9k points