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Ask QuestionPosted by Arpit Singh Singh 8 years, 4 months ago
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Posted by Nayan Upadhyay 8 years, 4 months ago
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Amar Kumar 8 years, 4 months ago
A fertilized egg goes through several stages of development but initially is called a zygote. The next stages of development are blastocyst, embryo and foetus.
Posted by Harsh Chouhan 8 years, 4 months ago
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Amar Kumar 8 years, 4 months ago
A zygote is the result of the union of an ovum (egg cell) and a sperm cell. It remains a zygote until it begins to divide; at that point, the zygote becomes an embryo.
In multi-cellular organisms, a zygote is the first stage of development following conception. Unlike the ovum and sperm, which each contain half the number of chromosomes found in somatic cells, the zygote contains the full number of chromosomes normal in the somatic cells of the species. A zygote normally develops into a single embryo.
Posted by Keerthana Keerthana 8 years, 4 months ago
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Guddu Bajpai 8 years, 4 months ago
Above answer not correct student adviced to clear your question reframe what you wana ask pls
Posted by Bharvi Dhillon 8 years, 4 months ago
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Rajanya Dey 8 years, 4 months ago
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Jawwad Fuzail Saudagar 8 years, 4 months ago
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Amar Kumar 8 years, 4 months ago
Fossil fuels require millions of years to form from the dead vegetation and animals that get buried deep inside the Earth.
They require high temperature and pressure for their formation, which cannot be provided in the laboratory.
Fossils are limited.
The use of fossil fuels at this rate will lead to their exhaustion.
Posted by Arju Chouhan 8 years, 4 months ago
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Keerat Sharma 8 years, 4 months ago
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Bharvi Dhillon 8 years, 4 months ago
Naveen Sharma 8 years, 4 months ago
A gene is the basic physical and functional unit of heredity. Genes, which are made up of DNA, act as instructions to make molecules called proteins. It is a region of DNA that encodes function. A chromosome consists of a long strand of DNA containing many genes. A human chromosome can have up to 500 million base pairs of DNA with thousands of genes.
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