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.
D. mindy is acting as a health advocate because she is speaking about it but it does not say she is doing it herself
Medical waste that doesn’t include used needles etc should be discarded in a biohazard bag waste container
I'm constantly thinking on what i have to do.
Answer:
Justify given in explanation:
Explanation:
When there is environmental pollution it adds dust to water soil and sound because when pollution is added to water the water becomes polluted same on air, soil and sound. Which causes the soil to absorb polluted water and the plants that absorb oxygen doesn't get dust-less oxygen and as a result there growth is not good
