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.
The image formed on the retina is inverted. The brain rights the image as part of the interpretation
Sitting up allows an infant to reach and grasp with one hand, but the process by which reaching ...
When the IQ scores of identical twins differ, behavior genetics researchers attribute these to ...
Product & Process Influences - Sterile Products
The policymaking process
Here we show the first three divisions of cleavage, a process that carves up a zygote’s cytoplasm. ...