Answer No 1:
During the interphase, the genetic material is copied so that each daughter cell can receive equal and right amount of genetic material. The right amount of the genetic material is a crucial step for every daughter cell to survive.
Answer No 2:
Embryonic stem cells have the ability to convert into any type of cell type. Specialized cell types can make specialized cells. Scientists are working on producing stem cells which can cure various diseases like paralysis or brain damaged cell.
Answer No 3:
By the process of meiosis, the number of chromosomes is reduced to half in the sex cells. When an egg cells and the sperm cell unite in the process of fertilization, the number of chromosomes become diploid again. Hence, the number of chromosomes gets maintained in the embryo in this way.
This must be a Choice question but the choices are not there so the only thing I can do is send you the four major ones and you can pick which one is not the major one for your question hope this helps don't worry about sending points I don't work care about him
What are the four major points of Darwin's theory of natural selection?
1. Overproduction - more offspring are born than survive
2. Genetic Variation - there is variation in the population
3. Struggle to Survive - organisms with suitable variations will survive and reproduce
4. Differential Reproduction - suitable variations are passed on to offspring
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