What phase would be affected if an individual had faulty spindle fibers

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite