How family trees can be used by scientists​

Using statistics!

Explanation:

If the predecessors had genetically transmitted disease,or specific features,the family tree is useful in identification and better understanding.

babies are made when the sperm and the egg combine with each other. that is called fertilization. each of these cells are produced by a  process called meiosis which are the cells that contain half of the information of the parents.

poop is made up of mostly water, the rest is a combination of  cells,fiber,bacteria, and mucus. Bile is a greenish fluid produced in the liver that aids in the digestion of fat and can alter the color of your poop.

Explanation:

i hope this helps

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