Answer:
D
Explanation:
Sickle cell disease is not contagious, so you can't catch it from someone else or pass it to another person like a cold or an infection. People with sickle cell disease have it because they inherited two sickle cell genes , one from each parent.
Answer:
d asteriod
big bang theory was formed by two massive asteriod
Yea you are right. Animal cells do not have cell walls though plant cells do have cell walls
The first one ..... <span>0 BB: 2 Bb: 2 bb use punnett squares it helps, just search how to use them.</span>
True.An operon is a prokaryote. Its is a group of genes working together to make a specific protein.