A. Patient is male because there is a Y chromosome
B. 47 chromosomes
C. Down syndrome or trisomy 21
        
             
        
        
        
To the best of my knowledge, there are only two and they would be ribose and deoxyribose
hope this helps if not just let me know
        
             
        
        
        
The following are some signs of an allergic reaction: watery, irritated eyelids. 1) Runny nose 2) Coughing. 3)A blocked nose 4)Rashes 5)Hives (a rash with elevated red spots) (a rash with raised red patches) 6) Stomach pain 7)Vomiting.
How much time may an allergy last?
It can take a couple of hours or ten days. It normally lasts between 12 hours and 3 days. Effects can last for two to four weeks even with treatment. 
What allergy is the most severe?
Anaphylaxis, also referred to as anaphylaxis, is the most extreme kind. Individuals with chronic of allergies in their background are more likely to experience allergic reactions.
oral antihistamines. Antihistamines can helps with watery eyes, a stuffy or runny nose, coughing, and itching.
To know more about Anaphylaxis click here 
brainly.com/question/29697308
#SPJ4
 
        
             
        
        
        
Diploid. There has  to be 2 existing cells already, in order for it to split into 4
        
             
        
        
        
1.) It is True that when a cell is put into an isotonic solution, individual water molecules cannot move back and forth across the cell membrane. 
2) It is False that a when a cell is put into a hypertonic solution, there is a net movement of water molecules across the cell membrane into the cell. 
3) It is True that when a cell is out into a hypotonic solution, there is net movement.
4) It is False that the movement of any solvent across a semi-permeable membrane is called osmosis.