Sat October 06, 2012 By:

Does the dna of the sperm and egg join together and then replicated?If not,then what happens?

Expert Reply
Tue October 09, 2012
During fertilisation, the fusion of sperm and ovum forms the zygote. Here intermingling of two sets of haploid genes (male and female) occurs to reconstitute a diploid cell. The diploid zygote then divides, during which the chromosomes are also replicated.
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