Answer these questions if ! (biology) 100 only answer if u know the ! 1. what indicates that evolution is taking place in a population? use the word alleles in your "answer". 2. what are three sources of genetic variation? 3. how does the range of phenotypes for single-gene traits differ from the range for polygenic traits?

1 - The change in gene pool (change in alleles) which means that the individuals are changing and devolping new characteristics along with new species.

2 - Sex, mutation and gene flow are the three sources of genetic variation.

3 - Single-gene traits can only have 2 different phenotypes while polygenic traits can have many phenotypes.

Hope it helped,

BioTeacher101

a symbiotic relationship with the mitochondria

links? do you have a link? i don't see anything?