Two (Genetically identical cells)
Answer:
1. Determine the genotypes of the parents.
2. Determine which genes are recessive and which are dominant.
3. Create a Punnett square for all the possibilities.
4. List the all possible genotypes and phenotypes for the couple's offspring.
Explanation:
<span>The medical illustrations contained in this online atlas are copyrighted © 1997 by the University of Washington. They may not be utilized, reproduced, stored, or transmitted in any form or by any means, electronic or mechanical, or by any information storage or retrieval system, without permission in writing from the University of Washington. </span>
The right answer is vein (it contains blood and has valves).
The infra-cardiac veins of small and medium caliber possess this system of fight against gravity. The valves consist of a dense connective tissue, surmounted by endothelial cells, corresponding to a fold of the intima. They allow blood circulation in the sense organ / heart but prevent venous reflux.
Answer: ALSO IF YOU DONT HAVE A ACTIVITY SLIDE ( It shows what your doing or makes you do a activity or it can make you do research) FOR THIS YOU MIGHT NOT UNDERSTAND THE ANSWER!
Explanation:
Look at the screenshot and hope this helps! Zoom in the screenshot if needed! ^^