Cross a heterozygous purple flower with a homozygous white flower. assume purple is dominant to white. what is the resulting genotypic ratio?
a) 2: 2
b) 3: 1
c) 1: 2: 1
d) none of these

80 points pls 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?

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?