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In men, CD can reduce semen quality and cause immature secondary sex characteristics, hypogonadism and hyperprolactinaemia, which causes impotence and loss of libido. [31] The giving of gluten free diet and correction of deficient dietary elements can lead to a return of fertility.
Sterility can also be caused by selective breeding, where a selected trait is closely linked to genes involved in sex determination or fertility. For example, goats breed to be polled (hornless). This results in a high number of intersex individuals among the offspring, which are typically sterile.
Sterile males are deliberately produced by humans in several species for several unrelated purposes: Sterile insect technique – for insect pest control Cytoplasmic male sterility – for plant breeding
He prefers a sterile, artificial environment with no plants, and no access to outside air. He considers efforts to make his prosthetic body more natural-looking to be a waste of time. Visitors, and the people who share the living space with him, wear surgical masks, ostensibly to guard against infections.
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Women that chose a tubal sterilization may have a higher risk of serious side effects, more than a man has with a vasectomy. Pregnancies after a tubal sterilization can still occur, even many years after the procedure.
Caroline Fenton and Jason Fitz break down the biggest games of the weekend and explain how each major win or loss impacts the conference title races as well as the expanded 12 team playoffs.
In humans, barring intersex conditions causing aneuploidy and other unusual states, it is the male that is heterogametic, with XY sex chromosomes.. Haldane's rule is an observation about the early stage of speciation, formulated in 1922 by the British evolutionary biologist J. B. S. Haldane, that states that if — in a species hybrid — only one sex is inviable or sterile, that sex is more ...