The origins of homosexuality whitethorn neer be fully understood, and the phenomenon is so complex and varied -- as is every other kind of love -- that no atomic number 53 neat explanation is likely to suffice to explain any one man or woman, let alone multitudes. still the search for understanding advanced considerably last hebdomad with the release of new studies that make the most compelling lineament yet that homosexual orientation is at least part contagious.
A team at the National Cancer Institutes science lab of Biochemistry reported in the journal Science that families of 76 gay men included a much higher resemblance of homosexual male relatives than found in the general population. Intriguingly, about all the disproportion was on the mothers side of the family. That prompted the researchers to look at the chromosomes that hold gender, known as X and Y. Men demoralise an X from their mother and a Y from their father; women get ii Xs, one from each parent. Inasmuch as the family trees suggested that male homosexuality may be inherited from mothers, the scientists zeroed in on the X chromosome.
trusted enough, a separate study of the DNA from 40 pairs of homosexual brothers found that 33 pairs shared five different patches of genetic material grouped around a particular field of operation on the X chromosome. Why is that unusual?...If you want to get a full essay, order it on our website: Orderessay
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