Bacterial pneumonia is a bacterial infection of the lungs that is one of the top ten causes of death in the us each year. You should provide answer choices next time, it would help to get a quicker response.
Nondisjunction is defined as the failure of the chromosomes to seperate during cell division. An animal with a haploid number of 6 (diploid number of 12) undergoes meiosis, and at the meiosis II (cells are already haploid from the meiosis I), nondisjunction occurs. The mature ovum will contain 6+1 chromosomes (n+1) because there is an extra chromosome from the nondisjunction. The second polar body will contain 5 chromosomes (normal would be 6) because the second polar body did not receive that extra chromosome due to nondisjunction. In the event of fertilization of the abnormal ovum with a normal sperm, the zygote will be a diploid (12 chromosomes) normally but since the ovum as an extra chromosome from the nondisjunction then the zygote will have an extra chromosome (13 chromosomes). One pair of chromosomes has an extra single chromosome and this is called a trisomy.
Answer:
Get enough sleep, eat well, and exercise regularly. Reach out to family and friends when times get hard. Get regular medical checkups, and see your provider if you don't feel right. Get help if you think you're depressed.
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