The homologus chromosomes line up forming the ecuatorial plate during the metaphase.
Answer:
The children can have all of the following, AB, A and B.
Explanation:
Within a Punnett square, BO and AB can only make AB, Ao, BB and BO.
Answer:
In the given case, the brain of the alien would be showing an enlarged region with surface grooves and folds. It is nothing but the cerebral cortex and mainly the neocortex. As the name suggests that it is the latest addition to the brain and is regarded to be originated by the process of evolution.
It is the main region of extraordinary cognitive tendencies like reasoning, thinking, analysis, and other things. As mentioned in the question, that alien is trained like astronauts on the Earth, thus, this neocortex would be certainly found in the brain of the alien.
