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Relatedness can be determined by comparing the genomes of two species but that is a much more complex analysis than simply we share 50% of our DNA with bananas..
In Anopheles gambiae, all 350 copies are together, side-by-side on the X chromosome, he told BBC News. When sperm are produced normally, in mosquitoes or in humans, 50% contain an X chromosome and 50% a Y chromosome. When they fuse with an egg these produce female and male embryos, respectively.In the new mosquitoes, the X-attacking endonuclease is turned on specifically during sperm formation.heoretically, if you have it on the Y, Prof Crisanti added, one single individual could knock out an entire population.. In fact, Dr Windbichler and Prof Crisanti showed in another recent paper that this type of gene insertion on the mosquito Y chromosome is perfectly achievable.