Broken Chromosomes and Damaged Brains

Article here. A rebuttal to this post can be found here. Excerpt:

'The first statement, called sexist by many viewers, was Heina Dadabhoy’s comment that the Y chromosome is a broken X chromosome. The other, called outrageously sexist, was Greg Laden’s statement that the male brain is a female brain that has been damaged at various times throughout development by testosterone. The question is, however, are these statements true?

Heina’s statement is the easier to address. A number of people did so in the YouTube comments, but I’ll do it here as well. Yes, the Y chromosome is definitely a broken X chromosome.
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This has undesirable consequences for male humans as well, at every stage of development. A short sex chromosome means that males have only one copy of some genes. Sex-linked hemophilia is one of the specific vulnerabilities of males caused by this arrangement. There are plenty of others, and there are a number of vulnerabilities that we’re still not sure to what degree are sex-linked and to what degree our screening processes and social expectations make it more likely that males will be diagnosed. Some of those may also turn out to be attributable to having a Y chromosome.

So, yes, the X chromosome is the original in this situation, and the development of the Y chromosome both depleted the X chromosome and did so in ways that are not helpful to those who carry it. It is a broken X chromosome. If it weren’t for the fact that the Y chromosome also causes masculinization, and our society highly values masculinization, we would talk broadly about how unfair that is. But it creates our semi-science-literate society holds the Y chromosome responsible for creating boys and men, so it’s all good, and the commenters say that calling it broken is very sexist of Heina.'