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The correct answer is:
The principal cause of aneuploidy is chromosome nondisjunction during mitosis or meiosis. Polyploidy in nature can result either from the duplication of euploid chromosome sets from a single species or from the combining of chromosome sets from different species.
Aneuploidy is a phenomenon when there is the presence of an abnormal number of chromosomes in a cell (an extra or missing chromosome). Usually it appears as a result of improper cell division (chromosomes don’t separate) and it can cause many genetic disorders.
Polyploidy refers to a state when there are more than two sets of chromosomes (one from mother one from father). Triploid (three sets of chromosomes) and tetraploid (four sets of chromosomes) chromosomes are examples of polyploidy. This phenomenon is most common in plants.
Answer:
Yes.
Explanation:
Cell division & differentiation also happens in animals and plants, and is not limited to just human beings.
Answer:
Most probably it would die. Or would be harder for it to live.
Explanation:
On daily basis, as most of the cells die and new cells are formed by cell division. If an organism lost the ability to perform cell division it would die.
Answer: False
Explanation:
The genetically modified organisms are the organisms in which the genetic make up of the organism is altered. So that these organisms produce better yield and so as to improve their quality. The aim of genetic engineering in organisms is to develop or introduce a new trait in the organisms, which does not occur in the natural species. Thus the given statement is false as genetically modified organisms are reproducible.
