The longitudinal halves of a chromosome that has undergone replication are known as chromatids. They will not be called chromosomes until after they are separated during Mitosis. Mitosis distribute the chromatids to daughter cells as a cell divides. The chromosomes are initially replicated in cells undergoing Meiosis, as in preparation for the mitotic division, but then, these chromosomes are divided twice so that four daughter nuclei are produced, each having the haploid chromosome number.
<h2>Correct Answer is option "d"</h2>
Explanation:
- Heroine is an drug of opiod plant which is made up of from morphine,a natural substance which taken from the seed pod of the different opium poppy plants.
- Heroine is found in various form such as in white powder and brown powder.
- Other common names for heroine are horse,smack & hell dust.
- People takes heroine in different route of administration such as few people smoke it, some inject, or other used as sniff etc.
- Heroine enter in brain rapidly and combined with opiod receptors on cells ,it involve in pain and pleasure,controlling heart rate etc.
- It show both effects short term and long term effect on the brain and body.
- Hence, the correct answer is option d "Heroine"
Some examples could be Giraffes with long necks and the darkening of London's peppered moths after the industrial revolution. Direct selection is the shift of the population of one species towards a certain phenotype. -reference.com
It's usually d,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
