A) True
Your genes determine your traits, your genes are made of DNA.
The best option would be 'C'.
Answer: yolk sac
explanation:
the placenta does not develop for a long time so the alternate way of supplying the developing embryo is through the yolk sac which the embryo can receive nutrients and respiratory gas exchange through which the placenta will be formed later.
Ok go to the website and just plug in the information then fill in the little graph you were given. Then when your done putting it on the graph use the circle to make a circle graph using the data.
