Answer:
HeLa cells have been used in research to study 
Explanation:
the nature and progression of cancer
 
        
                    
             
        
        
        
The pattern of inheritance of the offspring of a hemophiliac father would be heterozygous.
<h3>What is Hemophilia?</h3>
Hemophilia is defined as the sex–linked disorder that occurs due to an abnormality of the X chromosome.
A father that has hemophilia would be affected only on his X chromosome and can only pass it to their children making them carries.
This is because the children would inherit only one X chromosome from their father and a healthy X chromosome from their mother.
Learn more about chromosome here:
brainly.com/question/269366
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The system that controls and coordinates
the body through hormones is the <span>endocrine system.</span>
<span>Endocrine system produces hormones and then these hormones
transmit the messages to various cells within the body. Hormones have great
importance in our body system and even our body is functioning due to hormones.
 If hormones are disturbed it can lead to
many diseases.</span>
 
        
             
        
        
        
Answer:
I think it would be grass.
Explanation:
I am pretty sure it would be grass because there is much more grass on earth then hawks, snakes, and rabbits.