Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. cats that have coats that are a patchwork of black and orange are called tortoiseshell cats, are typically female, and have genes that code for both black fur (xo) and orange fur (xo) located on the x chromosomes. y chromosomes do not code for color in tortoiseshell cats. a female cat that has only orange fur (xoxo) is crossed with a male cat that has only black fur (xoy). how many of the offspring will exhibit tortoiseshell coloring? 1 in 4 2 in 4 3 in 4 4 in 4

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

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?

The data below simulate what happened to peppered moths in england after the industrial revolution which statement best describes the process that produced one of the emding populations of moths ?light colored moths were selected for on light colored trees