If you have one sickle cell gene, you have sickle cell trait and you will not develop the sickle cell disease. If you inherit two sickle cell genes, you have sickle cell anemia.
The three options one may take in case an internal device fails include
1. return the machine to the service center for repair. the manufacturer of the computer have better knowledge about their devices and can fix problem without any difficulties.
2. the other option is one can substitute a functioning external component for faulty internal component.
3. third, one can replace faulty component.
Answer:
Describe the features that characterized the earliest animals and when they appeared on earth
Explain the significance of the Cambrian period for animal evolution and the changes in animal diversity that took place during that time
Describe some of the unresolved questions surrounding the Cambrian explosion
Discuss the implications of mass animal extinctions that have occurred in evolutionary history
