Answer:
The mother had a chromosomal duplication.
Explanation:
For Down syndrome, something goes wrong and you get an extra copy of chromosome 21. That means you have three copies instead of two, which leads to the signs and symptoms of Down syndrome.
im pretty sure its a fall line
Obierika is the person you are referring to. Obierika is the person who wondered why a man should suffer because of an inadvertent mistake and he also wondered why the twins had to be thrown away. He conclude that the clan had to punish offenses so that the earth would not loose her wrath on all the land.
C. took an anti civil rights stand