Bearing down

Same sex reproduction in humans? (are you kidding me here?) As I remember, sperm cells may exist as androsperms or male-bearing sex chromosomes, and the gynesperms bearing the female sex chromosomes. But of course, with the technology today, there's no doubt that those kinds of experiments ...

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... embryo selection. In due course, our capabilities will increase to permit disease prevention by selective gene insertion. Given the choice between bearing a child with hemophilia or cystic fibrosis etc., or a simple gene insertion resulting in a healthy child, most parents would go for the latter. ...

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Why is the death of a person no longer able to breed a bad thing from an evolutionary point of view? the point is women of child bearing age die of it as well and childbearing women pass it on also NS is also about survial of the species you seem to think that non child bearing people ...

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... common in the population-thus invalidating NS Young women mums and grandmother are killed by it ie breast cancer genes It occurs in women of childbearing age and they transmit it to their daughters. Some say a gene that kills after child bearing age does not invalidate NS. The fact is the gene ...

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... been lead to understand differentiating between many is next to impossible, even for an experienced mycologist, without examining spores and spore bearing structures. This tends to be the most effective method. Although this depends what kinds of fungi your dealing with. What you really need is ...

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