- Joined
- Dec 16, 2017
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- 2,062
Why would you exclude syndromes? They exist, whether your personal ideology likes it or not.Exactly! now show me how the human embryo can interchange chromosomes in utero because of environmental conditions (excluding DNA errors and syndromes)
Light reading on external factors effecting which gender will be expressed.Exactly! now show me how the human embryo can interchange chromosomes in utero because of environmental conditions (excluding DNA errors and syndromes)
Because lets say you have extra chromosomes, it's a defect (unfortunately). Scientists are trying to fix it with gene editing right now. I've edited a bit, it is a category.Why would you exclude syndromes? They exist, whether your personal ideology likes it or not.
Light reading on external factors effecting which gender will be expressed.
There is some evidence that the endocrine disruptors, dioxin and PCBs, are associated with altered secondary sex ratio. Dioxin exposure is associated with a lower male:female sex ratio in offspring of exposed men, while PCB exposure is associated with a higher male:female sex ratio in offspring of exposed men.Can environmental or occupational hazards alter the sex ratio at birth? A systematic review - PMC
More than 100 studies have examined whether environmental or occupational exposures of parents affect the sex ratio of their offspring at birth. For this review, we searched Medline and Web of Science using the terms ‘sex ratio at birth’ and ‘sex ...pmc.ncbi.nlm.nih.gov
There is insufficient evidence for lower or higher than expected sex ratios when the mother is exposed. Most of the studies with significant findings analyzed occupational or accidental exposures at doses much higher than would be experienced by the general population. Dioxins and PCBs, where the evidence for change in sex ratio is strongest, likely have endocrine effects (113, 114).
Climate change stressors also alter birth ratios.
Historically, environmental conditions have been shown to alter the sex ratio in human births. Sex ratio (the ratio of males to females in a population) can be observed at conception (primary sex ratio, PSR) or at birth (secondary sex ratio, SSR). Chronic exposure of the male reproductive system to environmental toxic agents is thought to lead to low male : female (secondary sex) ratios (Fukuda. Hum Reprod 1998:13;2321). Lyster first described a significant reduction in SSR (109 compared with 144) following the London smog of 1952, in an otherwise masculine sex ratio period (733 versus 623). Following floods in Brisbane, Australia, in 1965 there was a noticeable reduction in the sex ratio, thought to be linked to a reduction of the hardness and pH in the drinking water (J Obstet Gynaecol Br Commonw 1965:81;626–31) (Figure 1). The 2009 Black Saturday bushfires in Victoria, Australia, found a significant decrease in the secondary sex ratio of births conceived after the fires, with a male birth rate of 46.6% in the severely affected regions in comparison with a male birth rate of 51.1% in the remainder of Victoria (O’Donnell. Int J Disaster Risk Reduct 2013;5:9, thought to be due to exposure to ambient PM2.5 (particulate matter smaller than 2.5 micrometres in aerometric diameter) released by wildfires. Prenatal exposure to severe physical and mental stress has also been associated with altered sex ratios as observed after the earthquakes in Kobe, Japan, in 1995 (Fukuda. Hum Reprod 1998:13;2321) and in Chile in 2005 (Torche. 2012 Hum Reprod 27;2:55
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As an aside, there are three genders. Intersex individuals exist.
@Gloria27 I have no idea why we're discussing this, or why poor tadpoles got dragged into this, but it is initially the X and Y chromosomes. Then there are other factors at play. Have a read:
"Sex differentiation involves a series of events whereby the sexually indifferent gonads and genitalia progressively acquire male or female characteristics. Believed initially to be governed entirely by the presence or absence of the SRY gene on the Y chromosome, gonadal determination has proven to rely on a complex network of genes, whose balanced expression levels either activate the testis pathway and simultaneously repress the ovarian pathway or vice versa."
Because lets say you have extra chromosomes, it's a defect (unfortunately). Scientists are trying to fix it with gene editing right now. I've edited a bit, it is a category.
This is an abomination of a law that gives healthcare providers and others freedom to do harm. We have become a shithole country.
I would think that should be a violation of the Code of Medical Ethics.
I hope ACLU takes it all the way to SCOTUS but I have little faith in that particularly court these days.
Maybe you don’t do Hippocrates in the US.
Be thankful you don’t live here @Snowdrop13. It seriously makes you wonder about the women who chose this. It’s one terrible thing after another.