Mcclintock's work with transposons calls into question the model of inheritance patterns we have learned in the past that is the basis of mendelian genetics. which model would be most weakened by mcclintock's discovery?

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.