{{40 POINTS!!}} DUE SOON! Cystic fibrosis is a recessive genetic disease that affects the respiratory and digestive systems. Devin, who has Cystic fibrosis, and Cindy (no cystic fibrosis in her family) are married and planning to have children. As a student of genetics, develop an explanation for their chances to have a child that does not have Cystic fibrosis.

20 point pls brianliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?