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CBSE Class 10 Answered

Does the dna of the sperm and egg join together and then replicated?If not,then what happens? In Biology
Asked by | 15 Oct, 2012, 07:58: PM
answered-by-expert Expert Answer
When sperm (haploid) and ovum (haploid) fuses during fertilisation, zygote (diploid) is formed. Since their chromosomes fuse, the zygote formed is a diploid cell. It is only during the division of the  zygote,  that the chromosomes are also replicated.
Answered by | 13 Jan, 2013, 08:57: AM

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