Normal Red Sickle
Blood Cell Red Blood Cell
Sickle cell anemia is passed from parent to offspring. How did a change from the normal red blood cell shape most likely originate?

mutation in the dna of a gene

Explanation:

i got it right on my quiz

one characteristic that is shared by all is a soft body. many

of these invertebrate animals also have an outer shell to protect their

body. oysters, clams, snails, and mussels are all mollusks. so are octopuses, squids, and slugs. mollusks live on land and in freshwater.

rain is the best answer