Answer:
one in four
Explanation:
If both parents carry only one copy of a recessive gene, the likelihood of a child bearing the recessive trait is one in four.
 
        
             
        
        
        
Thyroid gland
The thyroid gland is located on the front and sides of the trachea below the larynx and releases hormones into the body as part of the endocrine system
        
             
        
        
        
Answer:
Plato Answer
Explanation:
Embryonic stem cells are plentiful, and they can create every cell in the human body. Researchers can use these cells to create tissues. They can possibly grow new organs in a lab to treat diseased organs. Adult stem cells are rarer in the human body, and they’re limited in the types of cells they can make.
An embryo can’t grow without its stem cells, so people have ethical concerns about their use. Adults can provide consent to donate their stem cells, so there are fewer ethical issues regarding the use of adult stem cells.