Answer:c hope it helps you
Explanation:
Answer:
Crossing over is essential for the normal segregation of chromosomes during meiosis.
Explanation:
Answer: Bipolar disorder
Explanation:
Bipolar disorder is a mental condition in which affects the moods of the individual. It swings from one mood to another.
This condition is known as manic depression. There are many symptoms of bipolar disorder. The person might not feel like sleeping for some days but after few weeks he might sleep more.
Symptoms are: episodes of depression, feeling very high, overactive. It can lasts for several weeks or days.
Bad hygiene, puberty, physical activity or just normal teenage bodily changes.
