Well,
By the word "deletion" we can deduce that information is lost. Therefore, when a chromosome undergoes a deletion mutation, information is lost. This can have disastrous effects if it is a human chromosome.
Answer: Masseter and temporalis
Explanation:
Bruxism is a condition in which the person grind or clash teeth. A person may unconsciously clench teeth when he is awake or even when they are sleeping.
It is a kind of sleep related disorder which is also associated with snoring, pause in breathing.
It can be frequent and sever and the muscles responsible for sleeping bruxism is masseter and temporalis.
Answer:
D
Explanation:
A robin building a nest is not learned or taught like the others. It is just instinctive for robins to build nests.