What do mutation, genetic recombination, and gene flow add to a population?
genetic uniformity
evolution
genetic variation
natural selection

Each trait of a plant is determined a. an allele b. one gene c. a pair of genes d. one dominant gene

Agroup of students are walking in the park, and one of them takes a picture of a pollen grain that is being blown by the wind. what caption can the student use for this picture? fahrte "littl1111111nimmt-hhhfull film# # #gene mutation in actiongene flow at workgenetic drift as it happensnatural selection in progresshii

In which situations is the principle of cross-cutting relationship useful in determining relative age?