How does the amount of dna remain constant is new in generation in a combination of dna copies of two individuals?
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The amount of DNA remains constant because during fertilisation an egg and sperm cell fuse. Each of these specialised cells have haploid nuclei (23 chromosomes i.e. half the number a human cell should have), so when they combine, the zygote (sperm-egg complex) has 46 chromosomes, the full, constant amount of DNA as the offspring inherits half of its genetic material from each parent.
Hope that helps!
Hope that helps!
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DNA remain constant because DNA replicate
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