Nondisjunction
It is in an embryo with three copies of chromosome 21 instead of the usual two. So if the pairs of 21st chromosomes in either the sperm or the egg then it fails to separate to form an egg.
Based of Merton's typologies the drug addicts, the homeless, nuns living in a convent, and monks living in a monastery have in common as they are all retreatists. It means that <span>the rejection of culturally prescribed goals and the conventional means for attaining them. </span>
The answer is 25%
Hemofilia is inherited by x-linked recessive pattern. Only woman could become recessive since woman has two x genes but man only has one.
The first generation is a carrier woman with normal man. The chance of their daughter to inherit the defect gene from her mother would be 50%. Then the daughter(angela) marries a normal man (George). The chance of Angela giving defect gene also 50%. The resultant chance would be: 50%*50%= 25%