Nondisjunction is the improper segregation of chromosomes during either meiotic or mitotic cell division.
The result of nondisjunction is dosage imbalance - either one extra or one missing chromosome for some proportion of the resulting cells.
hydrogen and nitrogen are the reactants
Answer: The male is Rr. Female A is RR. Female B is Rr.
Explanation: Since single comb is recessive, both parents would have to have the gene. Good luck! :D (I only had markers near me, sorry it doesn't look that good :(
Intron means the sequence of eukaryotic gene's DNA that isn't translated into proteins.
Swordfish would likely contain the highest levels of contaminants.