Answer:
D. Descent with modification
Explanation:
I want to say the answer is Form a hypothesis
I say this because a hypothesis is one of the first things you do when conducting an experiment and when forming a hypothesis you use the format "if...then....because". You are giving a possible answer to your question before you actually perform the experiment. I hope this helped.
Answer:
Explanation:
Bronchial/Tracheal cells are from the lining of the bronchi/trachea, the network of tubes used to convey air to the lungs. Bronchial/Tracheal cells are responsible for producing lubricating mucus to keep the airways functional and they are a type of epithelial cell, a term used generally to refer to cells lining the inside or outside of the body. These cells generate mucus and a number of other compounds, which play an important role in respiration.
https://www.creative-bioarray.com/products/bronchial-tracheal-cells-list-133.htm?page=1
Answer:
the extra chromosome is "y"