Author Question: Describe the process of identical twinning. What will be an ideal ... (Read 66 times)

mynx

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Describe the process of identical twinning.
 
  What will be an ideal response?

Question 2

Give three examples of the causes of increased blood coagulability.
 
  What will be an ideal response?



Ptupou85

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Answer to Question 1

In 70 of cases, it occurs from the splitting of the inner cell mass after the blastocyst had been formed but before implantation. Each inner cell mass develops into a complete embryo with its amnion and yolk sac but develops within a single chorion resulting in a diamnionic, monochorionic placenta.

Answer to Question 2

increased levels of blood coagulation factors secondary to injury or operation; tissue necrosis with thromboplastic activity; use of estrogen; abnormal factor V Leiden; and mutation in gene regulating synthesis of prothrombin.



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