What is a mutation?
A. When something goes unexpected in your body
B. Permanent change in the DNA of a gene
C. When you wake up with super powers
D. When an organism has a genetic abnormality but survives

Assume that a student is given two different models of bacteria, with one model consisting of big bacteria and the other consisting of small bacteria. how can the student demonstate the theory of endosymbiosis using the models

Rue or false siblings look simila rbecause they each have some traits of their parents.

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from