1 answer:
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Answer:
- Zygote is formed by fusion of 23 chromosomes from female and 23 chromosomes from male
- This fusion happens through a process of fertilization to form an egg
- The human zygote consist for 46 chromosomes and is diploid in nature
- During the process of fusion,the sperm combines with the membrane of the ovum
- Later the zygote is formed and become activated for the cell division for the formation of embryo
- Embryo is form by undergoing different stage of development namely :-
1)morula
2)blastula
3)gastrula
Answer:
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Explanation:
kjbdonlfjkh gbfvwef,lknojb gflwj nf
Answer:
i think its D
Explanation:
Oxygen and silicon make up most of earths crust
