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Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages?
a. Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant?
b. Meiosis is the cell division through which the number of chromosomes are halved during gamete formation.
c. After fertilisation, the chromosomes become _______ to that of the somatic cells. After fertilisation, mitosis occurs for the rest of the stages of life. Hence the number of chromosomes remain constant.
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