How does knowing the reactants andhelp you classify a chemical reaction?

What is a cordon and where is it found

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.

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.