Answer: They usually run tests too see. For example, that's why they made blood tests. They take you blood from you, and run tests to see if you have a disease.
Explanation: Hope it helps!
Fionans bones are weak and break easily
Both of the parents are heterozygous
Answer: Your answer will be D
hope it helped don't forget to drop a heart
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Explanation:
I Think The answer is d hope it helps