Key Questions and Terms Small sections of ONA contain information for specific traits an organism may inherit are called?
What is an allele?
How do offspring resulting from sexual reproduction differ from offspring resulting from asexual reproduction?
How do DNA, chromosomes, and genes work as the instructions for heredity?
What is the difference between a dominant trait and a recessive trait?
describes the specific genetic makeup of a living thing and cannot be observed describes the observable traits in the physical appearance of an organism, How do dominant and recessive traits impact genotype and phenotype?
How do environmental factors and heredity affect personal health?
Describe each of the following
Sickle Cell Anemia
diabetes
acne

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Me brainliest 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?